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 Teredolites