James Henry "Hub" Hart (February 2, 1878 – October 10, 1960) was a Major League Baseball catcher who played for the Chicago White Sox from 1905 to 1907.

On November 16, 1901, he solidified himself in Georgetown football history by scoring all three of his team's touchdowns in a 17–16 win over the University of Virginia.

[10] Hart also played on Georgetown's baseball team and was considered the best college catcher in the country.

[11] He signed with the Chicago White Sox in June 1905 and appeared in 11 games his rookie year.

[12][1] He was the team's backup catcher in 1906 and 1907 behind fellow Georgetown School of Dentistry alum Doc White.