The 1891 Nebraska Old Gold Knights football team represented the University of Nebraska in the 1891 college football season. The team had no head coach, but Theron Lyman led NU in preparation for its game against Iowa. The team played its single home game at Lincoln Park, in Lincoln, Nebraska.

The 1891 college football season was the season of American football played among colleges and universities in the United States during the 1891–92 academic year.