List of Irish Republican Army chiefs of staff

The following is the list of those who are reported to have served as Chief of Staff of the Irish Republican Army in the various incarnations of organisations bearing that name. Due to the clandestine nature of these organisations, this list is not definitive.

Chiefs of Staff of the (anti-Treaty) Irish Republican Army (1922–1969)
At an IRA Special Army Convention (SAC) held in Dublin on 28 December 1969, the IRA split into two factions, namely the majority Official IRA and the minority Provisional IRA.

Chiefs of Staff of the Provisional Irish Republican Army (1969–2005)
a. Some noted Irish and British historians, including Ed Moloney, author of A Secret History of the IRA, have claimed that Gerry Adams has been part of the IRA leadership. Adams has always denied IRA membership, let alone being chief of staff. b. Although he has admitted to IRA membership he has denied ever being Chief of Staff