John "Tull" Dunne (26 December 1911 – 12 May 1990) was an Irish Gaelic football coach, player, referee and Gaelic games administrator. His football championship career at senior level with the Galway county team lasted ten seasons from 1932 until 1941. Born in Brackernagh, Ballinasloe, County Galway, Dunne was the second child and eldest son born to William and Katie Dunne (née Donelan). The son of a carpenter, he was educated locally before finding employment in the local post office.