Donald Edward Nottebart (January 23, 1936 – October 4, 2007) was an American professional baseball player. The right-handed pitcher appeared in 296 games in Major League Baseball for five teams over nine seasons (1960–1967; 1969). Nottebart pitched the first no-hitter in Houston Colt .45s/Astros history in 1963. He was listed as 6 feet 1 inch (1.85 m) tall and 190 pounds (86 kg).