Robert Brown (December 25, 1744 – February 26, 1823) was a United States Representative from Pennsylvania. Born in Weaversville, Pennsylvania, he attended the common schools and was apprenticed to the blacksmith trade. At the beginning of the American Revolutionary War he was commissioned first lieutenant in the Pennsylvania "Flying Camp" on September 10, 1776; he was captured at the surrender of Fort Washington on November 16, 1776, and worked at the blacksmith trade while a prisoner. He was later put aboard the prison ship Judith and was subsequently imprisoned in New York City's Old City Hall. He was paroled on board ship December 10, 1777.