| Kearne | One who is a champion fighter |
| Kearney | A descendant of the victorious |
| Keavy | A gentle and precious treasure |
| Keefe | A name meaning handsome or cherished. |
| Keeley | Lively: aggressive. Variant of Kelly. |
| Keely | A descendant of the beautiful one. |
| Keelyn | Lively: aggressive. Variant of Kelly. |
| Keenat | A name meaning a beautiful song. |
| Keenon | A name meaning wise and ancient. |
| Keeran | Little Dark One |
| Keiana | Variant of Kian. Ancient. |
| Keilah | Lively: aggressive. Variant of Kelly. |
| Keira | Feminine of the Irish Gaelic Kieran. Dusky: dark-haired. |
| Keiran | Dusky: dark-haired. |
| Keith | From the battlefield |
| Kelan | A name meaning a slender youth. |
| Kelcie | A name meaning a bold warrior. |
| Kelcy | A name meaning a brave island. |
| Kellach | Derived from the Gaelic word for war. |
| Kelleher | Descendant of the contentious one. |
| Kellsey | From the island of the bright ship. |
| Kelly | Lively: aggressive. |
| Kelsee | A name meaning from the ship island. |
| Kelsey | A name meaning from the ship island. |
| Kelsi | A name meaning from the ship island. |
| Kenan | A name meaning possession. |
| Kennelly | Meaning a fierce or brave warrior. |
| Kenny | A name meaning the handsome or fireborn. |
| Kenrich | chief hero, royal ruler |
| Keon | Form of Ewan from John. |
| Kera | Darkhaired or a dark one |
| Keri | A darkhaired or dusky person. |
| Keriana | A graceful, darkhaired beauty. |
| Keriann | A combination of dark and grace. |
| Kerianna | A graceful, darkhaired woman. |
| Kerianne | A graceful, darkhaired maiden. |
| Kerilyn | A beautiful, darkhaired girl. |
| Kerra | A darkhaired or dusky maiden. |
| Kerri | A person from the Irish county. |
| Kerrianne | A graceful and darkhaired girl. |