Peter Augustus Jay

Peter Augustus Jay may refer to:

• Peter Augustus Jay (lawyer) (1776–1843), eldest son of Founding Father and first United States Chief Justice, John Jay
• Peter Augustus Jay (born 1821) (1821–1855), son of Peter Augustus Jay (1776–1843) and grandson of John Jay
• Peter Augustus Jay (diplomat) (1877–1933), American diplomat and great great grandson of Peter Augustus Jay (1776–1843)