The titis, or titi monkeys, are the New World monkeys of the subfamily Callicebinae, which contains three extant genera, Cheracebus, Callicebus, and Plecturocebus. This subfamily also contains the extinct genera Xenothrix, Antillothrix, Paralouatta, Carlocebus, Lagonimico, and possibly also Tremacebus.

Titis live in South America, from Colombia to Brazil, Bolivia, Peru and northern Paraguay.