monosulfide may refer to:
Carbon monosulfide, chemical compound with the formula CS
Copper monosulfide, chemical compound with the formula CuS
Mononitrogen monosulfide, inorganic compound with the formula SN
Silicon monosulfide, chemical compound with the formula SiS
Scandium monosulfide, chemical compound of scandium and sulfur with the chemical formula ScS
Uranium monosulfide, chemical compound with the formula US
