Giant crab

A Giant crab is a type of crustacean.

Giant crab may refer to:
 * Japanese spider crab (Macrocheira kaempferi), possesses the longest leg span of any marine crab species alive
 * Coconut crab (Birgus latro), the largest terrestrial invertebrate species alive
 * Tasmanian giant crab (Pseudocarcinus gigas), another large crab species