Henry Carl Gastright (March 29, 1865 – October 9, 1937) was a 19th-century professional baseball pitcher. He first played Major League Baseball in the American Association, for the Columbus Solons (1889–91), then moved to the National League. He was with the Washington Senators (1892), Pittsburgh Pirates (1893), Boston Beaneaters (1893), Brooklyn Grooms (1894), and Cincinnati Reds (1896). A native of Covington, Kentucky, the right-hander stood 6 ft 2 in (1.88 m) and weighed 190 lbs. Gastright died at the age of 72 in Cold Spring, Kentucky.