Barrimore Matthew "Barry" St. Leger (bap.

1 May 1733 – 1789) is a British colonel who leads an invasion force during the American Revolutionary War.

Barry St. Leger is baptised on 1 May 1733, in County Kildare, Ireland.

He is the son of Sir John St. Leger and Lavina Pennefather, is educated at Eton College, and then at Peterhouse, Cambridge.