Innes \i(n)-nes\ as a girl's name (also used as boy's name Innes), is of Celtic origin, and the meaning of Innes is "one choice". Feminine form of Angus. A Gaelic word for "island" may also have independently evolved into this name.

Baby names that sound like Innes are Ines, Annes and Innis. Other similar baby names are Ynes, Inez, Annis, Annys, Annus, Ennis, Indee, Innga, Inge and Ione.