Samuel B. Pryor (1816–1866) was the first mayor of Dallas, Texas. After Dallas was granted a town charter on February 2, 1856 by the Texas legislature, Pryor became the first mayor of Dallas. He led a town government which had six aldermen, a treasurer-recorder, and a constable. He was the first mayor of Dallas, Texas from 1856 to 1857. Pryor was in the first graduating class of cadets from the Virginia Military Institute in 1839-1840. He attended Hampden–Sydney College, graduating in 1844. During the American Civil War, he served in the Confederate States Army.