Popa langur
Trachypithecus popa
- Critically endangered
- Card rarity: Legendary
- Mammals

The Popa langur is a species of primate in the family Cercopithecidae. It occurs only in Myanmar and was named after Mount Popa, where a population of 100 of the monkeys live. It is listed as Critically Endangered on the IUCN Red List, as the wild population is thought to comprise 200 to 250 mature individuals.
Classification
- Class
- Mammalia
- Order
- Primates
- Family
- Cercopithecidae
- Genus
- Trachypithecus