| Kawuan | | |
| Kayaan | | The Name of a Dynasty of King Kaikobad |
| Kaycin | | |
| Kaydien | Celtic, Arabic | Companion, Friend, Little Battle |
| Kaydren | | |
| Kaydrian | | |
| Kayeden | Old Irish, Celtic, Arabic | Son of Cadán |
| Kayedon | | |
| Kayel | Old Irish | Slender, Narrow |
| Kayge | Irish, Celtic, English, Old Irish | Little Fiery One, Descendant of Aodhagán, The Wor |
| Kaygen | Irish, Celtic, English, Old Irish | Little Fiery One, Descendant of Aodhagán, The Wor |
| Kayjuan | | |
| Kaylab | | |
| Kaylup | | |
| Kaymon | | |
| Kaynon | Hebrew, English, Old French | Occupational Name, Official of the Church, Canon, |
| Kaysaun | Celtic | Kay, Jayson |
| Kaysean | | |
| Kayshaun | English-American, Hebrew | The Lord is Gracious, American Spelling of Sean, G |
| Kayshon | English-American, Hebrew | The Lord is Gracious, American Spelling of Sean, G |
| Kaysten | Latin | Christian Woman, Christian, Disciple of Christ, Di |
| Kayston | | |
| Kaysun | | |
| Kayto | African | Second-Born Twins, Second-Born Twin |
| Kayvien | Sanskrit | A Wise Man, Poet, Beauty, Poem, A Wise Person |
| Kayvin | Irish, Celtic | Water, Poem |
| Kayzen | | Kay, Jayson |
| Kazden | | |
| Kazimer | Polish, Slavonic | To Destroy |
| Kazmer | Slavonic, Polish, Slavic | Peacemaker, From a Polish Word, Proclamation of Pe |
| Kdyn | | |
| Keaden | Old English | Where Hawks Fly, Settlement on the Bank, Shed Town |
| Keadon | Old English | Where Hawks Fly, Settlement on the Bank, Shed Town |
| Keadrian | | |
| Keagin | | |
| Keagyn | | |
| Keair | | |
| Keaire | | |
| Keaka | Hebrew, English | God is Gracious, Son of Jack, He who Supplants, Di |
| Kealen | Celtic | Small and Slim, Slender and Fair, Companion, Fair |
| Kealin | Celtic | Small and Slim, Slender and Fair, Companion, Fair |
| Kealon | | |
| Keandrae | English-American, Celtic | Ancient |
| Keantae | | |
| Keantay | | |
