Alonzo Harris (born September 17, 1947 in Selma, Alabama) is a former Major League Baseball player for the Houston Astros just at the beginning of the 1967 season (April 13-April 27). He had been signed by the Baltimore Orioles as an amateur free agent before the 1966 season, then drafted by the Houston Astros from the Orioles in the 1966 first-year draft (November 28, 1966) after attending John C. Fremont High School in South Los Angeles, CA. From May 26 through the end of the season he was in the military service, and never again played in a big league game.