Clams are saltwater or freshwater mollusks that have two hinged shells. Clam may also refer to: Clam AntiVirus, a free antivirus program Clam, Charente-Maritime, a commune in the Charente-Maritime département, in France Clam, Virginia, US, an unincorporated community Clam (Camp Lazlo), a fictional character in the animated television series Camp Lazlo CLAM (C++ Library for Audio and Music), a software framework for audio data processing CLaMS (Chemical Lagrangian Model of the Stratosphere), a modular chemistry transport model system "Clams" (SpongeBob SquarePants), an episode of the animated television series SpongeBob SquarePants Clement Attlee (1883–1967), nicknamed "Clam" A member or constituent group of the Clamshell Alliance, an American anti-nuclear activist group See also KLAM, a radio station