Tilghman Ashurst Howard (November 14, 1797 – August 16, 1844) was an American lawyer, politician, and diplomat from Indiana. He was born near Easley, South Carolina. He moved to Knoxville, Tennessee, in 1816 and was admitted to the bar there in 1818. In 1830, he moved to Bloomington, Indiana, and in 1833 to Rockville, Indiana. President Andrew Jackson appointed him US Attorney for Indiana, and he served as such from 1833 to 1839. In 1838, he sought, unsuccessfully, to be elected to the U.S. Senate. He was elected to the United States House of Representatives on August 5, 1839, and served until he resigned on July 1, 1840.