| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 381 | Kadir | Arabic | Green. | M | |
| 382 | Kahleil | Arabic | Friend. | M | |
| 383 | Kahlil | Arabic | Friend. | M | |
| 384 | Kalil | Arabic | Good friend. | M | |
| 385 | Kalila | Arabic | Dearly loved. | F | |
| 386 | Kalilah | Arabic | Darling; sweetheart. | F | |
| 387 | Kaliq | Arabic | Creative. | M | |
| 388 | Kamal | Arabic | Perfection. | M | |
| 389 | Kamil | Arabic | Perfection. | M | |
| 390 | Kamila | Arabic | Perfect. | F | |
| 391 | Kamilah | Arabic | Perfect. | F | |
| 392 | Kamilla | Arabic | Perfection. | F | |
| 393 | Kamille | Arabic | Perfection. | F | |
| 394 | Kareef | Arabic | Bom during autumn. | M | |
| 395 | Kareem | Arabic | Generous. | M | |
| 396 | Karida | Arabic | Virgin. | F | |
| 397 | Karif | Arabic | Bom during autumn. | M | |
| 398 | Karim | Arabic | Generous; a friend. The Koran lists generosity as one of 99 qualities of God. | M | |
| 399 | Karima | Arabic | Generous; a friend. Feminine of Karim. | F | |
| 400 | Karimah | Arabic | Giving. | F | |