Look up marmoset in Wiktionary, the free dictionary.
Marmosets are New World monkeys in the genus Callithrix.
Marmoset may also refer to:
- Delacour's marmoset rat, a rodent
- Marmoset (band), an American indie rock band
- Marmoset (music agency), an American independent music agency
- Marmoset rat, a rodent
- Marmousets, counselors to Charles VI of France