Eadwinn \e(a)-dwi-nn, ead-winn\ as a boy's name is a variant of Edwin (Old English), and the meaning of Eadwinn is "wealthy friend".
The baby name Eadwinn sounds like Eadin, Edin, Eaden, Edwyn and Eduino. Other similar baby names are Hadwinn, Eldwin, Elwinn, Godwinn, Hadwin, Hedwinn, Erwinn and Medwinn.