Jackie Gene Brown (born May 31, 1943 in Holdenville, Oklahoma) is a former pitcher in Major League Baseball who played from 1970 through 1977 for the Washington Senators/Texas Rangers (1970-71 and 1973-75), Cleveland Indians (1975-76) and Montreal Expos (1977). He batted and threw right-handed. His older brother, Paul Brown, also pitched in the majors.

In 7 seasons he had a 47-53 Win-Loss record, 214 Games (105 Started), 26 Complete Games, 8 Shutouts, 39 Games Finished, 3 Saves, 892 ⅔ Innings Pitched, 934 Hits Allowed, 460 Runs Allowed, 415 Earned Runs Allowed, 82 Home Runs Allowed, 353 Walks, 516 Strikeouts, 20 Hit Batsmen, 28 Wild Pitches, 3,865 Batters Faced, 24 Intentional Walks, 1 Balk, a 4.18 ERA and a 1.442 WHIP.