Louis R. Bruce (January 16, 1877 – February 9, 1968) was an American Major League Baseball outfielder.

Discovered by Ed Barrow, he played for the minor league Toronto Maple Leafs from 1900 to 1903, where he was a two-way player, pitching and playing the outfield and finding success in both roles.

[1] He was a practicing minister for many years and a promoter of education and citizenship for Native Americans.

He married a Sioux woman with whom he had a son, Louis R. Bruce, who served as Commissioner of Indian Affairs.

This biographical article relating to an American baseball outfielder born in the 1870s is a stub.