Snow flea is a common name for several arthropods and may refer to:
Boreidae, a family of scorpionflies known as snow fleas in the British Isles, especially:
Boreus hyemalis a species of scorpionfly
Hypogastrura nivicola, a species of springtail known as snow flea in North America
Several collembolans of the family Isotomidae and the genus Desoria, known as snow fleas in Europe