| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 4221 | Kit | English | Nickname for Christopher. Frontiersman Kit Carson. | M | |
| 4222 | Kitlyn | English | Medieval English form of the Irish Caitlin. Pure. | F | |
| 4223 | Kitt | English | Diminutive of Christopher: He who holds Christ in his heart. Diminutive of Christian: Follower of Christ. | M | |
| 4224 | Kitty | English | The oldest known pet name for girls named Catherine or Kathleen sometimes used as a name in its own right. Variant of Katherine. Pure. | F | |
| 4225 | Kleef | English | From the cliff. | M | |
| 4226 | Knight | English | Noble or soldier. | M | |
| 4227 | Knocks | English | From the hills. | M | |
| 4228 | Knox | English | From the hills. | M | |
| 4229 | Kodey | English | Variant of Cody: Cushion; helpful. | M | |
| 4230 | Kodie | English | Variant of Cody: Cushion; helpful. | M | |
| 4231 | Kody | English | Variant of Cody: Cushion; helpful. | M | |
| 4232 | Kolby | English | Dark-skinned. | F | |
| 4233 | Kolena | English | Variant of Katherine. Pure. | F | |
| 4234 | Konstantin | English | Variant of Constantine: Steady; stable. | M | |
| 4235 | Konstanz | English | Variant of Constantine: Steady; stable. | M | |
| 4236 | Korbin | English | Raven-haired. | M | |
| 4237 | Kord | English | Cordmaker. Surname. | M | |
| 4238 | Kordale | English | Cordmaker. Surname. | M | |
| 4239 | Kordell | English | Cordmaker. Surname. | M | |
| 4240 | Korrigan | English | Spearman. Surname. | M | |