Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America:
*The
eastern gray squirrel (''Sciurus carolinensis''), from the eastern United States and southeastern Canada; introduced into the United Kingdom, Ireland, western North America, Italy, and South Africa
*The
western gray squirrel (''Sciurus griseus''), from the western United States
*The
Arizona gray squirrel (''Sciurus arizonensis''), from the southwestern United States and adjacent Mexico
*The
Mexican gray squirrel (''Sciurus aureogaster''), from southern Mexico and Guatemala; introduced into the Florida Keys
{{Animal common name
Sciurus