John Test (1781 – October 9, 1849) was a U.S. Representative from Indiana. John Test was born and raised near Salem, New Jersey. He moved to Fayette County, Pennsylvania, and operated Fayette Chance Furnace for several years.He moved to Cincinnati, and then to Brookville, Indiana, and operated a grist mill.He studied law.He was admitted to the bar and began practice in Brookville, Indiana.He held several local offices.He served as judge of the third district circuit 1816–1819.