Gwinn \g-winn, gwi-nn\ as a girl's name (also used as boy's name Gwinn), is a variant of Gwyn (Welsh), and the meaning of Gwinn is "fair, white, blessed, holy".

The baby name Gwinn sounds like Gwynn, Gwenn, Gwinne, Gwinna and Gwin. Other similar baby names are Glynn, Glenn, Gwynne, Gwynna, Gwenny, Gwen, Guinna, Gwenni, Gwenna and Quinn.