Guaire may refer to:

Gorey, a town in Ireland Gorey (barony), based on the Irish town Guaire River, Venezuela, flows through Caracas

People Guaire Aidne mac Colmáin (died 663), king of Connacht, Ireland Guaire Dall (fl. 849), Irish poet

See also Tromdámh Guaire, a satire from 14th or 15th century Ireland