Foyle may refer to:

The River Foyle in Ireland Lough Foyle, an estuary of the River Foyle

Entities named for the River Foyle BBC Radio Foyle, local radio station Foyle (Assembly constituency) Foyle (Northern Ireland Parliament constituency) Foyle (UK Parliament constituency) Foyle and Londonderry College, a grammar school in Derry Foyle Film Festival Foyle Metro, the Derry-based bus operator

Arts and entertainment Kitty Foyle (film), a 1940 film Detective Chief Superintendent Christopher Foyle, the protagonist of the TV series Foyle's War Foyle, a partner of Bonehead in the film Detectives on the Edge of a Nervous Breakdown

Other uses Foyle (surname), a list of notable people with this surname Foyles, a bookshop in London HMS Foyle (T48), a Mersey Class trawler built for the Royal Navy