Eldwynn \e-ldwy-nn, el-dwynn\ as a boy's name is a variant of Alden (Old English) and Aldwin (Old English), and the meaning of Eldwynn is "old friend".

The baby name Eldwynn sounds like Eldwyn and Aldwynn. Other similar baby names are Elwynn, Eldwin, Aldwyn, Aldwynne, Elwyn, Baldwynn, Edwyn, Elwynne, Elwinn and Goldwynn.