Kieran \ki(e)-ran\ as a boy's name is pronounced KEER-en. It is of Irish and Gaelic origin, and the meaning of Kieran is "black". Name of a saint (sixth century) who was admired for his generosity. Actor Kieran Culkin.

Kieran has 11 variant forms: Ciaran, Keiran, Keiron, Kernan, Kieren, Kiernan, Kieron, Kierren, Kierrin, Kierron and Kiran.

Baby names that sound like Kieran are Kern, Kirwan and Kyran.