Robin O'Brien (20 November 1932 – 26 August 1959) was an Irish first-class cricketer. O'Brien was born at Shillong in British India to Brigadier Brian Palliser O'Brien and Elinor Laura O'Brien. He was educated at Wellington College, Berkshire, where he played for the cricket eleven from 1948–1952. Upon completing his studies, he went up to the University of Cambridge, where he studied economics before switching to law.