Teredo may refer to: * ''Teredo'' (bivalve), a genus of shipworms that bores holes in the wood of ships * Teredo wood, a form of fossilized wood showing marks of shipworm damage * '' Coleophora teredo'', a moth of family Coleophoridae * Teredo tunneling, a protocol in computer communications for transmission of IPv6 datagrams * HMS ''Teredo'' (P338), a British submarine

See also