John Hanna Robb (4 November 1873-21 June 1956) was a Northern Irish barrister and Ulster Unionist Party politician.
The son of Rev. J. Gardner Robb, DD, LLD, Robb was educated at Royal Belfast Academical Institution, Queen's College, Belfast and called to the Bar at Gray's Inn and King's Inns, Dublin in 1898.
He was a Stormont MP for Queen's University from 1921 to 1937, following which he was Leader of the Senate of Northern Ireland and Minister for Education until 1943. From 1939 to 1943, he was Father of the Northern Irish Bar. From 1943 until retirement in 1954 he sat as a County Court judge.
Robb lived at Deramore Park, Belfast with his wife, Emily, and had one daughter.
This ends the Second Dáil.