The 1884 Michigan Wolverines football team represented the University of Michigan in the 1884 college football season. The team compiled a 2–0 record and outscored its opponents by a combined score of 36 to 10. The team captain was Horace Greely Prettyman. Prettyman played a record eight years on the Michigan Wolverines football team between 1882 and 1890. The team's manager and starting center was Henry Killilea. Killilea was one of the five men who founded baseball's American League as a major league in 1899. He also owned the Boston Red Sox from 1903 until 1904. Quarterback Thomas H. McNeil went on to become the 30th Grand Chancellor of the Knights of Pythias.

Henry James Killilea was an American baseball team owner and attorney. He was one of the founders of baseball's American League. He also played college football and baseball at the University of Michigan.