Tommy Harper (born October 14, 1940 in Oak Grove, Louisiana) is a former left fielder in Major League Baseball who played with the Cincinnati Reds (1962-67), Cleveland Indians (1968), Seattle Pilots (1969), Milwaukee Brewers (1970-71), Boston Red Sox (1972-74), California Angels (1975), Oakland Athletics (1975), and Baltimore Orioles (1976). He batted and threw right-handed.
Harper was the first player to come to bat in Seattle Pilots history. On April 8, 1969, he led off the top of the 1st against right-hander Jim McGlothlin of the California Angels. He doubled to left field, then scored on a home run by Mike Hegan.
He was also the first player to come to bat in Milwaukee Brewers history. On April 7, 1970, he led off the bottom of the 1st against California Angels right-hander Andy Messersmith. He hit a ground ball to third baseman Aurelio Rodriguez, who threw to first baseman Jim Spencer for the out.
In a 15-season career, Harper was a .257 hitter with 146 home runs, 567 RBI, and 972 runs scored in 1,810 games.