Bangor Celtic F.C. were an Irish association football club based in from Crumlin, Dublin. They played in the Leinster Senior League Senior Division before merging with Greenhills/Greenpark in 2019.
Bangor Celtic were founded in 1987. They were founded as a breakaway club from Cashel Villa. They originally located themselves at the playing field of Good Shepherd School in Rathfarnham shortly after the breakaway. They first entered the FAI Cup in 1999. In the 20th century, the club later moved to Iveagh Grounds in Crumlin, South Dublin. Bangor Celtic have been used as a feeder club to the League of Ireland Premier Division side Bohemians. They won their first Leinster Senior League Senior Division league title in 2005 and then won it again in 2009.