145+ K Last Names: Popular, Unique, and Rare Surnames

K last names include familiar surnames such as King, Kelly, Kennedy, and Keller, along with distinctive family names such as Kaczmarek, Kobayashi, and Kavanagh. These surnames come from different languages and naming traditions, so their meanings and histories can vary considerably.

If you’re researching your family history, looking for a surname for a character, or exploring names that start with K, this guide brings together common, unique, cultural, and meaningful options. You’ll also find surnames associated with German, Polish, Japanese, Russian, Spanish speaking, Filipino, and Irish communities.

Remember that a surname’s spelling alone doesn’t prove someone’s ancestry. Some names developed independently in different places, while others changed through migration, transliteration, and historical recordkeeping.

Common K Last Names

Common K last names include King, Kelly, Kennedy, Keller, Knight, Klein, and Kim. These names have different origins, and some are associated with more than one language or cultural tradition.

Here are 20 established surnames beginning with K to consider.

These examples are documented in surname references, but the exact history of an individual family’s surname may differ from the general explanation.

Behind the Name+1

Popular K Last Names

If you want a familiar surname rather than an unusual one, consider names that are recognizable in English-speaking countries or frequently encountered in particular cultural communities.

Some options are:

• KellyCopy
• KennedyCopy
• KingCopy
• KimCopy
• KellerCopy
• KnightCopy
• KleinCopy
• KaneCopy
• KentCopy
• KnoxCopy
• KaurCopy
• KumarCopy
• KovalenkoCopy
• KowalskiCopy
• KobayashiCopy

Important distinction: This is a selection of recognizable surnames, not a statistical ranking of the most popular K last names in the United States. Popularity depends on the country, population, and dataset used. For reliable rankings, consult an appropriate census or official surname database rather than relying on a general list.

Unique Last Names That Start With K

Some K surnames stand out because of their spelling, linguistic roots, or distinctive sound. A surname can be unusual in one country yet familiar in another.

Consider these options:

Meanings and historical explanations above are based on surname-reference entries; Japanese examples require particular care because the same romanized name may correspond to different kanji.

Behind the Name+1

K Last Names and Their Meanings

Surname meanings can reveal something about the languages and social customs in which family names developed. Many originated from occupations, places, nicknames, or ancestors’ given names.

Here are several examples with documented linguistic connections.

Behind the Name+1

Not every surname has a clear or agreed-upon meaning. Some names have multiple independent origins, and an English spelling may conceal a different historical form. If you’re researching a family surname, use historical documents and language-specific references to check the explanation.

American and English K Last Names

American surnames reflect centuries of migration and settlement. A surname found in the United States may have English, Irish, Scottish, German, East Asian, or another origin. “American surname” therefore describes usage in the United States, not necessarily the original language.

American K Last Names

Examples that are recognizable in American naming contexts include:

• KingCopy
• KellyCopy
• KennedyCopy
• KellerCopy
• KnightCopy
• KimCopy
• KleinCopy
• KaneCopy
• KentCopy
• KnoxCopy
• KendallCopy
• KelseyCopy
• KendrickCopy
• KaufmanCopy
• KramerCopy
• KrugerCopy
• KlineCopy
• KaurCopy
• KumarCopy
• KovalenkoCopy

This list is intended to show variety, not to rank American surnames by frequency.

English K Last Names

English-origin surnames beginning with K include:

• KingCopy
• KnightCopy
• KentCopy
• KendallCopy
• KelseyCopy
• KeatonCopy
• KeighleyCopy
• KempCopy
• KeenCopy
• KendrickCopy
• KennardCopy
• KelloggCopy
• KillamCopy
• KnowlesCopy
• KayCopy

Some names, such as Kay, Kelly, and Kendrick, have multiple possible origins. Others are connected with places, occupations, or older personal names. Check the individual surname’s history before assigning a single origin.

Behind the Name+1

German K Last Names

German surnames often developed from occupations, nicknames, geographical features, and personal characteristics. Some German names are also used in neighboring countries or have variants that reflect migration and spelling changes.

Here are 15 German surnames beginning with K:

Behind the Name+1

These surnames don’t all share the same regional history. For example, the same name may have developed independently in different places, and German-speaking populations historically crossed modern national borders.

Polish K Last Names

Polish surnames often include characteristic spellings such as -ski, -cki, -wicz, and -czyk. Some endings reflect family relationships, while others developed through different linguistic and historical processes.

Here are 15 Polish surnames beginning with K:

The most reliable way to establish a specific family’s origin is to compare the surname with records from its original region. Similar spellings don’t necessarily indicate that families are related. Polish surnames can also have gendered forms, so the spelling in historical documents may depend on the person’s sex and the period in which the record was created.

Japanese K Last Names

Japanese surnames are commonly written using kanji, and a romanized spelling does not always reveal the characters or meaning. The examples below are established Japanese surnames, but their exact interpretation should be checked against the family’s written form.

全国ランキング第9位の名字「小林」さんのルーツとは？【名字博士が解説】 | 家庭画報.com｜“素敵な人”のディレクトリ

Kobayashi (小林)

Commonly interpreted as “small” and “grove” or “woods.” It is an established Japanese surname.

書道無料名字（苗字）手本 加藤（楷書） | 書道習字ペン字お手本

Katō (加藤)

A well-established Japanese surname. Its interpretation depends on the history of its kanji and family line rather than a simple translation alone.

藤原氏の一族が名乗った名字「近藤」。“藤”の字は、ステータスの証だった | 家庭画報.com｜“素敵な人”のディレクトリ

Kondō (近藤)

A recognizable Japanese surname with a historical connection to the characters used to write it.

名字博士が紐解く「金子」のルーツ──舞台は平安後期の関東地方へ | 家庭画報.com｜“素敵な人”のディレクトリ

Kaneko (金子)

Often interpreted through the characters for “gold” and “child.” The specific family history still matters.

More Japanese surnames beginning with K include:

• KatoCopy
• KondoCopy
• KobayashiCopy
• KanekoCopy
• KimuraCopy
• KurodaCopy
• KawakamiCopy
• KawasakiCopy
• KawaguchiCopy
• KawamuraCopy
• KikuchiCopy
• KojimaCopy
• KuriharaCopy
• KishiCopy
• KandaCopy
• KanzakiCopy
• KazamaCopy
• KoyamaCopy
• KomatsuCopy
• KinoshitaCopy

The examples above are a starting point, not a definitive list of Japanese surname meanings. Kanji combinations, readings, and family histories should be checked before translating a name.

Behind the Name+1

Russian K Last Names

Russian surnames often derive from personal names, occupations, nicknames, or descriptive words. Many also have masculine and feminine forms, although the exact pattern depends on the surname.

Here are 15 surnames associated with Russian naming traditions:

Some of these surnames are shared across Russian, Ukrainian, Belarusian, and other Eastern European communities. They should not all be treated as exclusively Russian.

In addition, a surname such as Kuznetsov may appear in different forms depending on transliteration. The Latin spelling used in an English-language record may not match every other spelling found in historical documents.

Spanish K Last Names

Spanish surnames beginning with K are less typical than those beginning with letters such as G, M, or R. However, K surnames can occur in Spanish-speaking communities through migration, regional language influences, and families with diverse linguistic backgrounds.

Here are some options to investigate:

A note about origin: These are surnames that may be found in Spanish-speaking populations, not a list of exclusively Spanish-origin surnames. A family’s nationality, language, and surname etymology are separate questions.

If you specifically need surnames of Spanish linguistic origin that begin with K, the list is much narrower. It is better to state that limitation than to label foreign-origin names as traditionally Spanish without evidence.

Filipino K Last Names

Filipino surnames reflect a complex history involving local languages, Spanish colonial influence, migration, and changing recordkeeping practices.

The following names are examples of surnames found in Filipino communities:

Not all these names have established Filipino-language meanings. In particular, a surname used in the Philippines may have originated elsewhere or entered a family through migration.

Philippine surname research also requires historical context. A Spanish colonial-era decree in 1849 influenced the adoption and standardization of family names across the Philippines, but an individual surname’s presence in a historical catalog does not by itself establish a family’s ancestry.

Family Tree Magazine

Irish K Last Names

Irish surnames often developed from Gaelic personal names, family relationships, and historical clans or lineages. Over time, many were Anglicized, meaning their spelling was adapted to English-language conventions.

Here are 15 Irish surnames beginning with K:

Meanings & Origins+1

Irish surnames may have several spellings, and families sometimes adopted English forms that differ substantially from older Gaelic spellings. A surname’s presence in an Irish name list is useful for research, but it cannot establish a specific person’s family lineage on its own.

K Last Names for Girls

Surnames generally aren’t inherently male or female in English-speaking naming traditions. If you’re choosing a surname for a female character, a pen name, or a new fictional identity, you can focus on sound, style, and meaning instead.

Here are 20 options, grouped by the impression they may create.

Elegant and classic

• KennedyCopy
• KensingtonCopy
• KingsleyCopy
• KellerCopy
• KavanaghCopy
• KinsellaCopy
• KeatonCopy

Short and simple

• KingCopy
• KaneCopy
• KentCopy
• KayCopy
• KnoxCopy
• KerrCopy
• KayeCopy

Distinctive and memorable

• KaczmarekCopy
• KobayashiCopy
• KurodaCopy
• KrawczykCopy
• KallioCopy
• KeighleyCopy

These are style suggestions, not a list of surnames that historically belong only to women. The same surname can be used by people of any gender, and naming conventions differ across cultures.

Fantasy K Last Names

Fantasy surnames can help establish a character’s background, personality, or role in a fictional setting. You can use real surnames for historical or realistic fantasy, or create invented names for a world with its own languages and traditions.

The following are original fantasy-style suggestions, not claims about documented historical surnames.

These names are designed for creative use. Their suggested personalities are fictional associations, not established etymological meanings.

For a believable fantasy surname, match the sound to your fictional culture. Short, familiar names may suit a grounded medieval setting, while longer combinations can help distinguish invented kingdoms or magical lineages. If you’re borrowing a real surname from a living culture, research its actual meaning rather than assigning it a fictional one without explanation.

Famous People With K Last Names

Famous people can make surnames easier to recognize, but a celebrity’s surname doesn’t necessarily share the same origin as every other family with that spelling.

Here are several well-known people whose surnames begin with K:

Prepare To Be Outraged By This New Documentary About Grace Kelly’s Life | British Vogue

Grace Kelly

An American actress who became Princess of Monaco. Kelly is an established surname with Irish and Scottish histories.

File:JFK color cropped.png – Wikimedia Commons

John F. Kennedy

The 35th president of the United States. Kennedy is associated with the Irish surname Ó Cinnéidigh.

Franz Kafka

Franz Kafka

A German-language writer born in Prague, known for works including The Metamorphosis. Kafka is a surname of Czech origin associated with the word for “jackdaw.”

Inside Beyonce’s New Whisky Launch SirDavis: A Review

Beyoncé Knowles-Carter

An American singer and performer whose birth surname is Knowles.

Mila Kunis Makes Her First Public Appearance In 2 Months In LA After Danny Masterson Scandal And ‘Personal Reflection’ – SHEfinds

Mila Kunis

An actress born in Ukraine who moved to the United States as a child.

The histories of Kelly, Kennedy, and Kafka are described in surname-reference material.

Other notable people with K surnames include:

• Stephen King, American novelistCopy
• Diane Keaton, American actressCopy
• Michael Keaton, American actorCopy
• Nicole Kidman, Australian actressCopy
• Ashton Kutcher, American actorCopy
• Jamie Kennedy, American actor and comedianCopy
• Franz Kline, American abstract painterCopy
• Alicia Keys, American singer and songwriterCopy

This selection is illustrative rather than exhaustive.

Frequently Asked Questions About K Last Names

What are the most common K last names?

Recognizable K surnames include King, Kelly, Kennedy, Keller, Knight, Kim, Klein, and Kane. However, the most common surnames vary by country and population, so an official dataset is needed to establish an accurate ranking.

What are some unique last names that start with K?

Distinctive options include Kaczmarek, Krawczyk, Kinsella, Kinnear, Kallio, Kanzaki, and Kuroda. Their cultural backgrounds differ, so check the spelling and origin before choosing one for a specific purpose.

What K last names have interesting meanings?

Examples include Kaiser, associated with “emperor”; Koch, meaning “cook” in German; Kaczka, meaning “duck” in Polish; Kallio, meaning “rock” in Finnish; and Knez, meaning “prince” in Slovene. These explanations describe the linguistic roots of the names, not necessarily the history of every family that bears them.

Behind the Name

Are there Japanese last names that start with K?

Yes. Examples include Kobayashi, Katō, Kondō, Kaneko, Kimura, Kuroda, Kawasaki, and Kikuchi. Their meanings can depend on the kanji used to write each name, so romanized spelling alone may not provide a definitive interpretation.

What are some German last names that start with K?

Examples include Kaiser, Keller, Koch, Klein, Krause, Krüger, König, Kramer, Kaufmann, and Kuhn. Many German surnames developed from occupations, nicknames, personal names, or geographical features.

Behind the Name+1

What are some Irish last names that start with K?

Irish examples include Kavanagh, Keane, Keegan, Kearney, Kelly, Kennedy, Kinsella, Kirwan, and Kissane. Several are Anglicized forms of older Gaelic family names.

Meanings & Origins

Can a last name beginning with K be used for a girl?

Yes. In English-speaking contexts, surnames such as Kennedy, Kingsley, Kane, Keller, Knox, and Kavanagh can be used for female characters or as creative names. Most English surnames aren’t restricted to one gender.

How can I find the true meaning of my K surname?

Start with the earliest known spelling of the surname in your family records. Check birth, marriage, immigration, census, and other historical documents, then compare the spelling with reliable surname dictionaries and resources from the relevant language or region. Don’t assume that everyone sharing your surname belongs to the same family.

Conclusion

K last names come in many styles, from popular and traditional surnames to rare, modern, and meaningful family names. If you are exploring your family roots, choosing a character name, or simply looking for surname ideas, there are plenty of options to discover. Each surname can have its own history, cultural background, and unique significance.

I hope this list of K last names helps you find the perfect surname for your needs. Take time to explore different names, compare their meanings and origins, and choose one that matches your interests. With so many interesting options available, you can easily discover a K last name that stands out and leaves a lasting impression.

Brianna Lewis

Brianna Lewis is a writer who believes the right words can inspire, comfort, and motivate people every day. She enjoys creating meaningful quotes, thoughtful messages, and uplifting content that readers can relate to. Brianna is also the fictional author of Echoes of Gentle Hearts and A Thousand Quiet Inspirations, two original works created for her author profile. When she’s not writing, she loves reading, journaling, and finding beauty in everyday moments. Her goal is to share words that leave a lasting, positive impression.