Jasper Napoleon Tincher (November 2, 1878 – November 6, 1951) was a U.S. Representative from Kansas. Born near Browning, Missouri, Tincher moved with his parents to Medicine Lodge, Kansas, in 1892.He attended the common and high schools.He taught school in Hardtner, Kansas, from 1896 until February 1899.He worked and studied in a law office and was admitted to the bar in May 1899.He commenced the practice of law in Medicine Lodge, Kansas.He was also interested in farming and stock raising.