Yucatán Deer Mouse
Peromyscus yucatanicus
- Least concern
- Card rarity: Common
- Mammals

The Yucatan deer mouse or Yucatan deermouse is a species of rodent in the family Cricetidae. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice". The species is found in Mexico and Guatemala; an example habitat is the Petenes mangroves ecoregion of the Yucatan.
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Cricetidae
- Genus
- Peromyscus