The 1891 All-America college football team is composed of college football players who were selected by Caspar Whitney as the best players at their positions for the 1891 college football season. Whitney began publishing his All-America team in 1889, and 1891 was the first year Whitney's list was published in Harper's Weekly.

All-American selections for 1891 Key CW = Caspar Whitney, published in Harper's Weekly magazine. Bold = Consensus All-American

Ends Frank Hinkey, Yale (College Football Hall of Fame) (CW) John A. Hartwell, Yale (CW)

Tackles Wallace Winter, Yale (CW) Marshall Newell, Harvard (College Football Hall of Fame) (CW)

Guards Pudge Heffelfinger, Yale (College Football Hall of Fame) (CW) Jesse Riggs, Princeton (CW)

Center John Adams, Penn (CW)

Quarterback Philip King, Princeton (College Football Hall of Fame) (CW)

Halfbacks Everett J. Lake, Harvard (later Governor of Connecticut) (CW) Lee McClung, Yale (College Football Hall of Fame) (CW)

Fullback Sheppard Homans, Jr., Princeton (CW)

Notes