Major Michael John O'Leary VC (29 September 1890 – 2 August 1961) was an Irish recipient of the Victoria Cross, the most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. O'Leary achieved his award for single-handedly charging and destroying two German barricades defended by machine gun positions near the French village of Cuinchy, in a localised operation on the Western Front during the First World War.