This is a list of the most common female names starting with the letter K, based on people currently estimated to be alive in the United States as of 2021.
| Name | People | Average Age |
|---|---|---|
| Karen | 837,068 | 58.6 |
| Kimberly | 796,574 | 43.5 |
| Kathleen | 535,652 | 60.0 |
| Katherine | 486,290 | 39.3 |
| Kelly | 449,674 | 43.6 |
| Kayla | 337,762 | 23.7 |
| Kathryn | 325,127 | 47.3 |
| Kathy | 286,976 | 60.5 |
| Kristen | 211,125 | 36.5 |
| Katie | 195,776 | 32.5 |
| Kristin | 171,637 | 40.2 |
| Kaitlyn | 163,043 | 20.7 |
| Kim | 161,665 | 57.7 |
| Kelsey | 146,477 | 25.9 |
| Kaylee | 133,070 | 14.9 |
| Katelyn | 131,296 | 21.4 |
| Kristina | 131,238 | 37.1 |
| Kylie | 114,693 | 15.9 |
| Kara | 97,759 | 32.4 |
| Katrina | 96,430 | 38.0 |
| Kendra | 94,207 | 30.4 |
| Karla | 84,193 | 38.2 |
| Kennedy | 81,053 | 12.2 |
| Kristine | 77,370 | 48.4 |
| Krystal | 73,004 | 32.3 |
| Kristi | 72,184 | 45.6 |
| Kelli | 71,459 | 42.1 |
| Krista | 70,837 | 37.8 |
| Kate | 68,245 | 24.3 |
| Kristy | 67,283 | 42.1 |
| Kay | 66,137 | 67.4 |
| Kendall | 61,769 | 22.8 |
| Karina | 59,026 | 23.4 |
| Kari | 56,544 | 41.6 |
| Kaitlin | 56,386 | 25.9 |
| Kiara | 51,318 | 18.7 |
| Kirsten | 51,261 | 33.0 |
| Kylee | 48,422 | 16.3 |
| Kellie | 48,295 | 42.2 |
| Kerry | 45,057 | 50.6 |
| Khloe | 44,119 | 8.0 |
| Kelley | 43,549 | 45.1 |
| Kyla | 40,960 | 19.4 |
| Kira | 37,262 | 19.9 |
| Kinsley | 37,238 | 5.5 |
| Kristie | 36,296 | 44.7 |
| Kyra | 36,138 | 19.8 |
| Kimberley | 35,338 | 49.3 |
| Kerri | 35,158 | 43.8 |
| Kayleigh | 32,425 | 16.0 |
| Kassandra | 32,231 | 23.5 |
| Kasey | 32,174 | 28.0 |
| Keira | 31,510 | 12.3 |
| Keri | 30,703 | 40.9 |
| Katelynn | 30,051 | 19.5 |
| Katharine | 28,984 | 42.1 |
| Kali | 27,876 | 16.3 |
| Kailey | 26,170 | 17.0 |
| Karin | 25,012 | 53.1 |
| Kiana | 24,860 | 20.4 |
| Kenya | 24,326 | 29.2 |
| Kamryn | 22,391 | 11.9 |
| Keisha | 21,341 | 37.7 |
| Kaylie | 21,144 | 16.2 |
| Kiera | 20,662 | 18.0 |
| Kassidy | 19,965 | 15.4 |
| Karissa | 19,512 | 24.7 |
| Kenzie | 19,243 | 11.7 |
| Kyleigh | 19,170 | 13.1 |
| Kelsie | 18,866 | 23.4 |
| Kiley | 18,692 | 20.3 |
| Kaylin | 18,487 | 17.0 |
| Katy | 18,221 | 35.1 |
| Katlyn | 18,119 | 24.0 |
| Kinley | 17,848 | 8.5 |
| Kimberlee | 16,554 | 44.1 |
| Kaydence | 16,520 | 9.6 |
| Kaitlynn | 16,048 | 19.3 |
| Kaleigh | 15,784 | 19.5 |
| Kamila | 15,473 | 7.6 |
| Kierra | 15,279 | 21.9 |
| Kaelyn | 14,901 | 14.1 |
| Kaia | 14,523 | 9.5 |
| Kiersten | 14,450 | 22.3 |
| Kaila | 13,943 | 22.2 |
| Kennedi | 13,599 | 10.2 |
| Kourtney | 13,537 | 23.6 |
| Kailyn | 13,530 | 14.6 |
| Kaley | 13,273 | 21.1 |
| Kori | 13,255 | 23.5 |
| Karlee | 12,915 | 17.0 |
| Karyn | 12,904 | 49.3 |
| Krystle | 12,646 | 34.6 |
| Kathie | 12,423 | 62.2 |
| Kailee | 12,334 | 16.6 |
| Kris | 12,236 | 50.9 |
| Kacie | 12,191 | 25.6 |
| Keely | 12,106 | 26.7 |
| Kristal | 11,639 | 35.7 |
| Kaylyn | 11,623 | 20.2 |