Meaning Kenai is a Celtic name for a boy or girl, it means 'from the clean waters'. Origin of Kenai Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Patrick Pronunciation 🔊 Listen Kenai Similar Names Avan Azariel Destan Agwe Dabulamanzi Keandre Gervase Annan Kelby Kenadie Year by Year Popularity of Kenai