Olwenn \o-lwe-nn, ol-wenn\ as a girl's name is a variant of Olwen (Welsh), and the meaning of Olwenn is "white footprint".
The baby name Olwenn sounds like Olena, Oleen, Olwynne, Olwyn and Olwin. Other similar baby names are Alwinna, Olina, Oliana, Olianna, Oleana and Oline.