Ronald H. Lingren (June 26, 1935 – June 1, 2015) was an American academic and politician who served as a member of the Wisconsin State Assembly.

He earned a bachelor's degree from Iowa State University and a PhD in clinical psychology from the University of Iowa.

[2] After earning his doctorate, Lingren became a member of the faculty of the University of Wisconsin–Milwaukee.

[3] He was also a member of the United States Army and the Air Force Reserve Command.

Lingren was elected to the Wisconsin State Assembly in 1974, defeating incumbent John H. Niebler, and was re-elected in 1976 and 1978.