| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Keturah | Hebrew | Fragrance. Sacrifice. Abraham's second wife in the Old Testament. A name commonly used by Puritans after the Reformation. | F | |
| 562 | Kezia | Hebrew | Variant of Keziah: 'Cassia; sweet-scented spice.' Keziah was one of Job's three fair daughters in the bible. This name was popular with Puritans in the 12th century. | F | |
| 563 | Keziah | Hebrew | Cassia; sweet-scented spice. Keziah was one of Job's three fair daughters in the bible. This name was popular with Puritans in the 12th century. | F | |
| 564 | Kiba | Hebrew | Protected. | F | |
| 565 | Kinneret | Hebrew | Harp. | F | |
| 566 | Kinnette | Hebrew | Harp. | F | |
| 567 | Kiva | Hebrew | Protected. | F | |
| 568 | Kivi | Hebrew | Protected. | F | |
| 569 | Ksena | Hebrew | Praise be to God. | F | |
| 570 | Kyla | Hebrew | Victorious. | F | |
| 571 | Lael | Hebrew | Belonging to God. Traditional male Biblical name. | F | |
| 572 | Laila | Hebrew | Nightfall. | F | |
| 573 | Laili | Hebrew | Nightfall. | F | |
| 574 | Lailie | Hebrew | Nightfall. | F | |
| 575 | Laylie | Hebrew | Nightfall. | F | |
| 576 | Lea | Hebrew | Tired. | F | |
| 577 | Leah | Hebrew | Tired. Cow. First wife of Jacob in the Old Testament. Leah became Jacob's first wife by trickery, as Jacob had intended to marry her younger and more beautiful sister, Rachel, who soon became his second and favoured wife. | F | |
| 578 | Lemuela | Hebrew | Devoted to God. | F | |
| 579 | Lesham | Hebrew | Precious. | F | |
| 580 | Levia | Hebrew | Join. | F | |