John Francis Green (18 December 1946– 10 January 1975), was a leading member of the North Armagh Brigade of the Provisional Irish Republican Army, holding the rank of Staff Captain and Intelligence Officer.
He was killed in a farmhouse outside Castleblayney, County Monaghan, by members of the Mid-Ulster Brigade of the Ulster Volunteer Force (UVF).
According to Secret Intelligence Service operative Captain Fred Holroyd, British Army Captain Robert Nairac was involved in Green's killing.
Evidence published in 2015 however clears Nairac of involvement.
Green's was one of the 87 killings attributed by the Pat Finucane Centre to the group of loyalist extremists known as the Glenanne gang.