Harold Andrew Allen (born July 23, 1940 in Wampum, Pennsylvania) is a former outfielder in Major League Baseball who played for the Washington Senators (-), Milwaukee Brewers () and Chicago White Sox (-).
In his Major League career, Allen also played third base, second base, and first base, and even made one appearance as a catcher. As an outfielder he was just fair defensively, making 16 errors in 374 total chances for a .957 fielding percentage. His most productive season came in for the Senators, when he posted career highs in batting average (.277), runs (42), hits (75) and RBI (17).
In a seven-season career, Allen was a .241 hitter with 6 home runs, 57 RBI, and 104 runs in 389 games played. Allen led several leagues in his time, including the Pioneer League in RBI (140) and batting average (.346), the Pacific Coast League with 288 total bases while playing for the Hawaii Islanders in , and tied for the league lead in hits (176) and home runs (37) while playing for the Magic Valley Cowboys in .
He is the brother of Dick Allen and Ron Allen, and as of September 2006, the Allen brothers rank 11th in the MLB brother-combination, home run list with 358 dingers (out of more than 350 combinations all-time).
After leaving baseball, Hank Allen became involved as a trainer/owner in Thoroughbred horse racing, based at Laurel Park and Pimlico Race Courses in Maryland. In 1989, he became the first African-American trainer in seventy-eight years to saddle a horse in the Kentucky Derby when Northern Wolf ran sixth to winner Sunday Silence.  In June of 1990, he conditioned Northern Wolf when the horse set a new Laurel Park track record of 1:08 4/5 for six furlongs while winning the Duck Dance Handicap.  Two months later Northern Wolf set a new Pimlico track record of 1:09 flat for the same six furlong distance in winning the Frank J. De Francis Memorial Dash Stakes. 
- 1971 Baseball Register published by The Sporting News
[[Category:Washington Senators (1961