Diselenide

Diselenide may refer to:


 * Diselane, H-Se-Se-H
 * Carbon diselenide, CSe2, a yellow-orange oily liquid with pungent odor
 * Any organic chemical compound with a selenium-selenium bond, R-Se-Se-R (see Organoselenium chemistry)
 * Diphenyl diselenide, (C6H5)–Se–Se–(C6H5)
 * selenocystine
 * Metal dichalcogenides
 * Manganese diselenide (MnSe2)
 * Molybdenum diselenide (MoSe2)
 * Tungsten diselenide (WSe2)
 * Titanium diselenide (TiSe2)