Sand flea may refer to:
- Arthropoda of the class Insecta:
- Sandfly
- Chigoe flea Tunga penetrans
- Crustacea of the class Malacostraca:
- Talitridae
- Emerita (crustacean), also known as mole crab
- Culicoides furens, a biting midge known colloquially as "sand fleas", particularly in the Southeastern U.S.
- Operation Sand Flea, US operations in Panama