Wynn \wyn-nn\ as a girl's name (also used as boy's name Wynn), is a variant of Winifred (Welsh, Old English) and Wynne (Welsh), and the meaning of Wynn is "holy, blessed reconciliation; joy and peace; fair, pure".

The baby name Wynn sounds like Wyn, Ann, Ayn, Winny, Winne, Win, Wynnie, Jann, Jenn, Wanna, Vyna, Wina and Yann. Other similar baby names are Lynn and Rynn.