Last Names That Start With K
These last names that start with K come from the US Census surname list, which counts every surname shared by at least 100 people. It holds 8,648 surnames beginning with K; below are the 100 most common, plus short, long and uncommon ones.
King opens the K list at rank 35, and its single syllable gives it a crisp, confident sound. Kelly and Kelley sit side by side as two spellings of one sound, and both are common.
The letter holds 8,648 surnames. Kim is short, while Kennedy runs to three beats. Keller and Kramer bring a hard K sound that cuts through. Knight has a silent K that some new readers stumble on.
If you research a K name, also try the C spelling, since Keller and Kramer can turn up spelled other ways in old ledgers.
- Surnames starting with K
- 8,648
- Most common
- King 438,986 people
- National rank of the top one
- #35
100 most common last names that start with K
"US rank" is the surname's place among all surnames in the country; "People" is how many people had it.
| # | Last name | US rank | People |
|---|---|---|---|
| 1 | King | #35 | 438,986 |
| 2 | Kelly | #69 | 260,385 |
| 3 | Kim | #109 | 194,067 |
| 4 | Kennedy | #130 | 171,636 |
| 5 | Kelley | #184 | 137,555 |
| 6 | Knight | #199 | 131,860 |
| 7 | Keller | #290 | 94,300 |
| 8 | Klein | #359 | 79,685 |
| 9 | Kramer | #474 | 63,023 |
| 10 | Kirby | #577 | 52,473 |
| 11 | Kirk | #582 | 52,056 |
| 12 | Kane | #636 | 48,527 |
| 13 | Koch | #657 | 47,286 |
| 14 | Keith | #663 | 46,747 |
| 15 | Khan | #665 | 46,713 |
| 16 | Kline | #694 | 44,900 |
| 17 | Kemp | #698 | 44,701 |
| 18 | Knox | #724 | 42,937 |
| 19 | Kerr | #729 | 42,758 |
| 20 | Kent | #733 | 42,597 |
| 21 | Knapp | #760 | 41,267 |
| 22 | Krueger | #863 | 36,694 |
| 23 | Kaufman | #911 | 34,786 |
| 24 | Krause | #932 | 34,345 |
| 25 | Kaiser | #977 | 32,567 |
| 26 | Kidd | #998 | 31,886 |
| 27 | Key | #999 | 31,882 |
| 28 | Kinney | #1,032 | 30,956 |
| 29 | Katz | #1,045 | 30,615 |
| 30 | Kuhn | #1,053 | 30,342 |
| 31 | Kendall | #1,082 | 29,524 |
| 32 | Kaplan | #1,090 | 29,410 |
| 33 | Kirkland | #1,107 | 28,937 |
| 34 | Kessler | #1,112 | 28,869 |
| 35 | Kern | #1,162 | 27,634 |
| 36 | Knowles | #1,174 | 27,380 |
| 37 | Kenney | #1,184 | 27,189 |
| 38 | Kendrick | #1,222 | 26,266 |
| 39 | Kirkpatrick | #1,229 | 26,155 |
| 40 | Kang | #1,380 | 23,565 |
| 41 | Kurtz | #1,383 | 23,488 |
| 42 | Kay | #1,402 | 23,189 |
| 43 | Kimball | #1,421 | 22,990 |
| 44 | Kaur | #1,501 | 21,825 |
| 45 | Koenig | #1,527 | 21,606 |
| 46 | Kraft | #1,528 | 21,579 |
| 47 | Kilgore | #1,548 | 21,264 |
| 48 | Kauffman | #1,602 | 20,576 |
| 49 | Kruse | #1,637 | 20,019 |
| 50 | Kearney | #1,647 | 19,938 |
| 51 | Keenan | #1,707 | 19,275 |
| 52 | Koehler | #1,725 | 19,037 |
| 53 | Kowalski | #1,817 | 18,134 |
| 54 | Kraus | #1,820 | 18,107 |
| 55 | Kincaid | #1,852 | 17,833 |
| 56 | Keys | #1,860 | 17,763 |
| 57 | Kyle | #1,861 | 17,750 |
| 58 | Kiser | #1,865 | 17,693 |
| 59 | Keen | #1,906 | 17,320 |
| 60 | Keene | #1,925 | 17,161 |
| 61 | Kimble | #1,929 | 17,138 |
| 62 | Kenny | #1,972 | 16,811 |
| 63 | Knutson | #2,009 | 16,560 |
| 64 | Kohler | #2,018 | 16,477 |
| 65 | Keating | #2,027 | 16,392 |
| 66 | Keyes | #2,079 | 16,020 |
| 67 | Kinsey | #2,169 | 15,357 |
| 68 | Kellogg | #2,178 | 15,302 |
| 69 | Kerns | #2,206 | 15,113 |
| 70 | Kahn | #2,284 | 14,570 |
| 71 | Kumar | #2,293 | 14,517 |
| 72 | Kitchen | #2,298 | 14,478 |
| 73 | Kearns | #2,330 | 14,234 |
| 74 | Kaminski | #2,337 | 14,190 |
| 75 | Knott | #2,369 | 14,008 |
| 76 | Kelsey | #2,397 | 13,849 |
| 77 | Kilpatrick | #2,402 | 13,832 |
| 78 | Kruger | #2,439 | 13,599 |
| 79 | Keener | #2,545 | 13,046 |
| 80 | Kenyon | #2,635 | 12,620 |
| 81 | Killian | #2,771 | 11,947 |
| 82 | Kolb | #2,818 | 11,644 |
| 83 | Kimbrough | #2,927 | 11,290 |
| 84 | Kong | #3,005 | 11,040 |
| 85 | Keck | #3,023 | 11,001 |
| 86 | Krebs | #3,034 | 10,951 |
| 87 | Keeler | #3,040 | 10,930 |
| 88 | Kopp | #3,047 | 10,912 |
| 89 | Keefe | #3,060 | 10,863 |
| 90 | Kuntz | #3,081 | 10,788 |
| 91 | Kiefer | #3,087 | 10,756 |
| 92 | Kroll | #3,098 | 10,731 |
| 93 | Krieger | #3,106 | 10,704 |
| 94 | Keane | #3,121 | 10,622 |
| 95 | Ko | #3,152 | 10,483 |
| 96 | Koontz | #3,176 | 10,373 |
| 97 | Kozlowski | #3,178 | 10,363 |
| 98 | Kemper | #3,182 | 10,339 |
| 99 | Kitchens | #3,189 | 10,321 |
| 100 | Kinder | #3,253 | 10,083 |
Short last names that start with K
- King
- Kim
- Kirk
- Kane
- Koch
- Khan
- Kemp
- Knox
- Kerr
- Kent
- Kidd
- Key
- Katz
- Kuhn
- Kern
- Kang
- Kay
- Kaur
- Keys
- Kyle
Long last names with K
- Kirkpatrick
- Kilpatrick
- Kuykendall
- Kwiatkowski
- Killingsworth
- Kalinowski
- Klingensmith
- Kleinschmidt
- Kirkendall
- Knickerbocker
- Kowalewski
- Kerstetter
- Klosterman
- Kitzmiller
- Kirschbaum
- Kazmierczak
Uncommon last names that start with K
Real surnames outside the most common few thousand, useful for characters or usernames that still sound natural.
- Kong
- Keck
- Krebs
- Keeler
- Kopp
- Keefe
- Kuntz
- Kiefer
- Kroll
- Krieger
- Keane
- Ko
- Koontz
- Kozlowski
- Kemper
- Kitchens
- Kinder
- Kasper
- Kimmel
- Kirchner
- Keegan
- Karr
- Kuykendall
- Kelleher
- Kunz
- Kwon
- Knoll
- Keefer
- Kunkel
- Keeton
Filter every last name that starts with K
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Questions people ask
What is the most common last name that starts with K?
King, shared by 438,986 people in the US Census count, ranked #35 among all surnames.
How many last names start with K?
The Census list has 8,648 surnames starting with K that are shared by at least 100 people.
What are unique last names that start with K?
Less common real surnames include Kong, Keck, Krebs, Keeler, Kopp, Keefe.
What are short last names that start with K?
King, Kim, Kirk, Kane, Koch, Khan, Kemp, Knox.
Source: the US Census surname list (every surname shared by 100 or more people). Spellings are shown as listed, without accents or apostrophes.