Lussan is the name or part of the name of several communes in France:
Lussan, in the Gard department Lussan, former commune of the Haute-Garonne department, now part of Lussan-Adeilhac Lussan, in the Gers department Lussan-Adeilhac, in the Haute-Garonne department Fons-sur-Lussan, in the Gard department
See also Lussant, in the Charente-Maritime department Marguerite de Lussan (1682–1758), French historic novelist