William Ronald Bryan (born December 4, 1938, in Morgan, Georgia) is an American former Major League Baseball catcher. He was signed by the Kansas City Athletics in 1960. Bryan played eight seasons in the majors: Kansas City Athletics, 1961–1965; New York Yankees, 1966–1967; and the Washington Senators, 1968. Bryan stood 6 feet 4 inches (1.93 m) tall, weighed 200 pounds (91 kg), batted left-handed and threw right-handed.
Bryan had some success at the minor league level, making the All-Star team for the 1961 Class B Northwest League and hitting 25 home runs, knocking in 85 runs, and batting .295 in the Double-A Texas League in 1962. While Bryan hit for some power in the majors, especially when he was the regular or semi-regular catcher for the Athletics in 1964–1965, his batting average was .216 at the Major League level, with 209 career hits, 968 at bats, and 283 strikeouts.