O'Donovan Rossa GAC Magherafelt (Irish: CLG Ó Donnabháin Rosa Machaire Fíolta) is a Gaelic Athletic Association club based in Magherafelt, County Londonderry, Northern Ireland.

The club is named after Irish patriot and revolutionary Jeremiah O'Donovan Rossa.

His proposal was accepted and it was also decided that the club would play in red and white colours.

The club's home ground is Rossa Park, located on the road between Magherafelt and Castledawson.

[2] In the past it was the main ground for Derry GAA inter-county matches, but this ended in the 1970s.