Janine \j(a)-ni-ne\ as a girl's name is pronounced ja-NEEN. It is of English origin. Simplified form of Jeannine. Janine has 5 variant forms: Janeen, Janene, Janina, Jannina and Jannine. For more information, see also related names Gianina, Jan and Jane. Baby names that sound like Janine are Jeanine and Jenine. View a list of the 5 names that reference Janine.