Wynn \wyn-nn\ as a boy's name (also used as girl's name Wynn), is pronounced win. It is of Old English origin, and the meaning of Wynn is "friend". Also possibly (Welsh) "fair, white". Some of the variants listed are English surnames in rare use as given names.

Wynn has 5 variant forms: Win, Winn, Wyndell, Wynne and Wynton.

For more information, see also the related name Elwin.

Baby names that sound like Wynn are Wyn, Ewynn, Finn, Eann, Jonn, Owynn, Vonn, Vann, Wayne, Wayn, Wain and Yann.