Denis Gallagher (23 November 1922 – 4 November 2001) was an Irish Fianna Fáil politician. He served as Minister for the Gaeltacht on two occasions.Denis Gallagher was born in Currane, by Clew Bay, facing Achill Island, County Mayo in 1922. He was educated locally and at St Enda's College in Galway. He qualified as a national school teacher having graduated from St Patrick's College in Drumcondra, Dublin.