A crabeater is an animal species that feeds on crabs. It may refer to:
Cobia, a species of fish which also is commonly called crabeater Crabeater seal, a species of seal Crabeater gull, also known as Olrog's gull Crab-eating fox, a canid species Crab-eating raccoon, a raccoon species Crab-eating mongoose, a mongoose species Crab-plover, a shorebird species Crab-eating frog, a frog species Fordonia leucobalia, also known as crab-eating water snake Crab-eating macaque, a simian species