This is a list of the most common boy names starting with the letter K, based on babies born in the United States in the year 2025.
| Name | Births |
|---|---|
| Kai | 3,768 |
| Kayden | 2,678 |
| Knox | 1,836 |
| Kingston | 1,725 |
| Kevin | 1,628 |
| Kairo | 1,577 |
| Kaiden | 1,476 |
| Kyrie | 1,416 |
| Kayson | 1,305 |
| Koa | 1,281 |
| Karter | 1,265 |
| Kash | 1,183 |
| Kenneth | 1,148 |
| Kaleb | 1,143 |
| Kohen | 1,143 |
| Kaden | 1,034 |
| Kade | 943 |
| Kaizen | 895 |
| Kyaire | 878 |
| Kayce | 843 |
| Khalil | 826 |
| Kieran | 817 |
| Kamari | 811 |
| Kashton | 797 |
| Kian | 797 |
| Kylo | 797 |
| Kyler | 790 |
| King | 786 |
| Koda | 778 |
| Kaysen | 772 |
| Killian | 770 |
| Kane | 695 |
| Karson | 690 |
| Kameron | 663 |
| Kyson | 648 |
| Kasen | 622 |
| Kyle | 594 |
| Kobe | 578 |
| Kendrick | 559 |
| Kaison | 557 |
| Kylan | 507 |
| Kyren | 504 |
| Kolton | 489 |
| Kason | 480 |
| Kolter | 476 |
| Krew | 476 |
| Kyro | 463 |
| Keegan | 449 |
| Koen | 448 |
| Kylian | 448 |
| Kenzo | 445 |
| Kasai | 437 |
| Keanu | 427 |
| Kareem | 383 |
| Kenai | 377 |
| Kamden | 375 |
| Keaton | 333 |
| Kyree | 326 |
| Keith | 311 |
| Kaisen | 311 |
| Kaiser | 296 |
| Kylen | 272 |
| Kolson | 269 |
| Kaleo | 265 |
| Kannon | 263 |
| Kael | 263 |
| Koah | 260 |
| Kiaan | 255 |
| Kreed | 251 |
| Krue | 251 |
| Khalid | 250 |
| Kenji | 249 |
| Kaycen | 235 |
| Kabir | 227 |
| Kace | 221 |
| Kamazi | 219 |
| Kooper | 218 |
| Kaius | 216 |
| Kellan | 215 |
| Kelvin | 214 |
| Krishiv | 209 |
| Kellen | 202 |
| Kody | 202 |
| Kiyan | 200 |
| Karim | 198 |
| Kingsley | 196 |
| Kit | 195 |
| Kanan | 194 |
| Kase | 192 |
| Kartier | 190 |
| Kross | 184 |
| Kenan | 184 |
| Kristian | 184 |
| Kacey | 182 |
| Kasey | 180 |
| Kalel | 180 |
| Kilian | 177 |
| Korbin | 176 |
| Khai | 175 |
| Kristopher | 172 |