Gerald Robert O'Sullivan VC (8 November 1888, Frankfield, Douglas, County Cork – 21 August 1915) was an Irish recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. He was 26 years old, and a captain in the 1st Battalion, Royal Inniskilling Fusiliers, British Army during the First World War when the following deed took place for which he was awarded the Victoria Cross. He was killed in action, Suvla, Gallipoli, Turkey, on 21 August 1915.