Justa Morris Lindgren (July 28, 1878 – May 29, 1951) was an American college football player and coach.

He served as head football coach at Cornell College in Mount Vernon, Iowa from 1902 to 1903 and the University of Illinois in 1904—along with Arthur R. Hall, Fred Lowenthal, and Clyde Mathews—and alone in 1906, compiling a career coaching record of 14–16–2.

[1] Lindgren played football at Illinois from 1898 to 1901 and was the captain of the 1901 team.

He served on the chemistry staff at the University of Illinois and was an analyst for the Illinois Geological Survey and the State Water Survey.

This biographical article relating to a college football coach first appointed in the 1900s is a stub.