Kierstynn \ki(e)-rsty-nn, kier(s)-tynn\ as a girl's name is a variant of Kirsten (Scandinavian, Latin), and the meaning of Kierstynn is "follower of Christ".

The baby name Kierstynn sounds like Kirstynn, Kirstyn, Kierstin and Kiersten. Other similar baby names are Kirstin, Kirsty, Kjerstin, Kirstine, Kirsteen, Kerstin, Kersten, Keerstin and Krystynn.