John Sullivan may refer to: Wikipedia
John Richard Thomas Sullivan OBE (23 December 1946 – 22 April 2011) was an English television scriptwriter responsible for several British sitcoms, including Only Fools and Horses, Citizen Smith and Just Good Friends. Wikipedia
John Sullivan, (10 April 1830 – 28 June 1884) was a sailor in the Royal Navy and an Irish recipient of the Victoria Cross, the highest award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. Wikipedia