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 a member of Derry GAA and currently caters for Gaelic football, Camogie and Ladies' Gaelic football. Underage teams play in the South Derry league and championships.