Matthey's Pygmy Mouse
Mus mattheyi
- Least concern
- Card rarity: Common
- Mammals

Matthey's mouse is a species of rodent in the family Muridae. Matthey's mouse was first described by Francis Petter (1923–2012) in 1969 and was named after Robert Matthey (1900–1982).
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Muridae
- Genus
- Mus