Lieutenant John O'Neill VC MM (also spelt O'Niell) (10 February 1897 − 16 October 1942) was a British Army officer and a Scottish recipient of the Victoria Cross (VC), the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.

O'Neill was 21 years old, and a sergeant in the 2nd Battalion, Prince of Wales's Leinster Regiment, British Army during the First World War when in October 1918 near Moorsele, Belgium, he won the Victoria Cross.

For most conspicuous bravery and devotion to duty near Moorseele on 14th October, 1918, when the advance of his company was checked by two machine guns and an enemy field battery firing over open sights.

[2] In that year he was an officer on HMT Dunera, taking to Australia "enemy aliens", most of whom were German Jews.

[3] The internees used the Russian song "Stenka Rassin" with new ironic German text: John O'Neill died of a heart attack on 16 October 1942.