The titanium sulfides are a class of chemical compounds comprising titanium and sulfur in varying stoichiometries. They include:

• Titanium(II) sulfide, a rare mineral

• Titanium(III) sulfide, a refractory

• Titanium(IV) sulfide, used in batteries or other electrochemical cells

• Titanium "trisulfide", technically a mixed-valence sulfide and disulfide salt