Henry Magee Adkinson (September 1, 1874 - May 1, 1923) was an American major league baseball left fielder. He played professionally for the St. Louis Browns.
Adkinson was born in Chicago, Illinois, and attended the University of Chicago.
Adkinosn played in one game for the St. Louis Browns on September 25, 1895. He hit two singles, scored one run, and stuck out twice in five at-bats during the game.
Adkinson died on May 1, 1923 in Salt Lake City, Utah and is interred at Oak Woods Cemetery in Chicago, Illinois.