| Jossy | Short form of Joseph, meaning 'God will add' |
| Jovante | Derived from Jovant, meaning 'youthful' or 'young' |
| Jovis | Derived from Jove, meaning 'sky' or 'heaven' |
| Julito | Short form of Julio, meaning 'descended from Jupiter' |
| Junar | Derived from June, meaning 'youthful' or 'young' |
| Juran | Derived from Jordan, meaning 'flowing down' |
| Jus | Derived from Justus, meaning 'just' or 'fair' |
| Juwon | God is Gracious |
| Kabin | Derived from Cabin, meaning 'small house' or 'hut' |
| KaDarius | Derived from Cadarius, meaning 'from the sea' |
| Kadema | A name meaning a divine judgment. |
| Kalev | A Devotion to God |
| Kalon | Derived from Kalon, meaning 'beauty' or 'lovely' |
| Kamall | A name meaning lotus or perfection. |
| Kamie | A name meaning a helper or follower. |
| Kase | Descendant of Cathasaigh |
| Kason | Son of the Marsh Dweller |
| Kastriot | Derived from Castriot, meaning 'from the castle' |
| Katsumasa | Derived from Katsumasa, meaning 'firm and strong' |
| Kawan | Derived from Kawan, meaning 'friend' or 'companion' |
| Kayhan | A name meaning the entire universe. |
| Kaynard | Derived from Kaynard, meaning 'strong and brave' |
| Kayon | Strong Existence |
| Keeton | A name meaning place of the hawks. |
| Keilen | A name meaning a slender warrior. |
| Keishon | Derived from Keishon, meaning 'God has created' |
| Kem | Derived from the ancient name for Egypt. |
| Kemo | Derived from Kemo, meaning 'strong and brave' |
| Kenne | Derived from Kenneth, meaning 'born of fire' |
| Keone | A Hawaiian name meaning the only one. |
| Keshun | Yahweh is Merciful or Gracious |
| Keston | Derived from the English word 'castle,' symbolizing strength and nobility. |
| Kevinson | Combination of Kevin and son, signifying a strong and proud father figure. |
| Kevonte | A modern name meaning handsome child. |
| Keyes | A surname meaning dweller by a quay. |
| Keyshawn | Yahweh is Merciful or Gracious |
| Kez | Short form of Kevin, meaning 'noble-born' or 'handsome.' |
| Khary | Derived from the Arabic name 'Kharis,' meaning 'blessed' or 'gracious.' |
| Khiri | Derived from the Thai name 'Khiri,' meaning 'mountain' or 'hill.' |
| Khoa | Derived from the Vietnamese name 'Khoa,' meaning 'bright' or 'intelligent.' |