Grainne \g-rainne, gra(in)-ne\ as a girl's name is of Irish and Gaelic origin, and the meaning of Grainne is "love".

Grainne has 2 variant forms: Grainnia and Grania.

Baby names that sound like Grainne are Korinne, Corinne, Karinne, Carinne, Korrinne, Corrinne and Gerianne.