Eldwyn \e-ldw-yn, el-dwyn\ as a boy's name is a variant of Alden (Old English), Aldwin (Old English) and Elden (Old English), and the meaning of Eldwyn is "old friend; Ella's hill".

The baby name Eldwyn sounds like Eldwynn, Eldwin and Aldwyn. Other similar baby names are Elwyn and Edwyn.