Fran Brennan is a former Irish soccer player.
He played for Drumcondra F.C. and Dundalk F.C. at club level, winning the league title with Dundalk in 1967. He later served as manager of Dundalk.
On 24th March 1965, he won his only senior cap for the Republic of Ireland national football team when he lined out in defence in a 2-0 defeat to Belgium in a friendly international played at Dalymount Park
Fran subsequently was involved in the underage set up assisting Paddy Hilliard with Under 14 International teams.