Potamidae is a family of freshwater crabs.

It includes more than 650 species and nearly 100 genera, which are placed into two subfamilies: Potaminae and Potamiscinae.

[2] The Potaminae Ortmann, 1896 are distributed around the Mediterranean Sea, on Socotra and eastwards to Northern India.

The Potamiscinae Bott, 1970 are found in East Asia and Southeast Asia.

[3] This Potamoidea article is a stub.