Spix's Mustached Tamarin
Saguinus mystax
- Least concern
- Card rarity: Common
- Mammals

The moustached tamarin is a New World monkey and a species of tamarin. The moustached tamarin is named for the lack of coloring in the facial hair surrounding their mouth, appearing similar to a moustache. As with most New World monkeys, the moustached tamarin is found only in areas of South America.
Classification
- Class
- Mammalia
- Order
- Primates
- Family
- Callitrichidae
- Genus
- Saguinus