John Barry (1745 – September 13, 1803) was an officer in the Continental Navy during the American Revolutionary War and later in the United States Navy. He is often credited as "The Father of the American Navy". Barry was born in Tacumshane, County Wexford, Ireland and appointed a Captain in the Continental Navy on December 7, 1775.
On October 31, 1767, Barry married Mary Cleary, who died in 1774. On July 7, 1777, he married Sarah Austin, daughter of Samuel Austin and Sarah Keen of New Jersey. Barry had no children, but he helped raise Patrick and Michael Hayes, children of his sister, Eleanor, and her husband, Thomas Hayes, who both died in the 1780s.
Barry died at Strawberry Hill, in present-day Philadelphia on September 13, 1803, and was buried in the graveyard of Old St. Mary's Roman Catholic Church in Center City, Philadelphia.