Daine \da(i)-ne\ as a boy's name is a variant of Dane (Old English), and the meaning of Daine is "from Denmark, Dane".
The baby name Daine sounds like Dayne, Dain and Dwaine. Other similar baby names are Kaine, Caine, Daile, Faine, Gaine, Laine, Paine, Raine and Zaine.