John Callanan (20 May 1910 – 15 June 1982) was an Irish Fianna Fáil politician from County Galway. Callanan was born in the village of Kilconnell, near Ballinasloe, County Galway, to a farming family. In the 1950s, he was an active member of the Irish farmers' youth association Macra na Feirme. He was an uncle of the former Galway East TD, Joe Callanan who served from 2002 to 2007.