Swamp rat
Swamp rat(s) may refer to:

AnimalsSwamp rat is a common name for a number of not closely related types of semiaquatic rodents of superfamily Muroidea, including:

Andean swamp rat (Neotomys ebriosus), a cricetid
Australian swamp rat (Rattus lutreolus), a murid
Malacomys, three murid species of Africa:
Scapteromys, three cricetid species from southeastern South America:
Swamp rice rat (Oryzomys palustris), a cricetid of southeastern North AmericaIt may also refer to the semiaquatic echimyid known as the coypu.

Othera series of famous Top Fuel dragsters created by Don Garlits
Swamp Ratte', former name of hacker Grandmaster Ratte'
A subset of hillbilly or redneck that lives near the bayou.