Éamonn O’Doherty (1939 - 28 October 1999) was an Irish republican and onetime chief of staff of the Provisional Irish Republican Army (IRA). O’Doherty joined the IRA in 1958 in his native Carrick-on-Suir, County Tipperary, and participated in the Border Campaign. In 1970, he went to Northern Ireland and was attached to the South Fermanagh Battalion of the IRA and later became Officer Commanding (OC) of the IRA in the Fermanagh/Monaghan/Armagh area. In 1985, he wrote a book entitled The IRA at War. He died, aged 60, in Carrick-on-Suir, County Tipperary, Republic of Ireland.