Mexican Deer Mouse
Peromyscus mexicanus
- Least concern
- Card rarity: Common
- Mammals

The Mexican deer mouse or Mexican deermouse is a species of forest-dwelling rodent in the family Cricetidae. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice". It is found in southern Mexico and throughout much of Central America.
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Cricetidae
- Genus
- Peromyscus