David Felmley was an American educator best known for his thirty-year-long tenure as the sixth president of Illinois State University, then known as Illinois State Normal University.

Illinois State University (ISU) is a public research university in Normal, Illinois. It was founded in 1857 as Illinois State Normal University and is the oldest public university in Illinois. The university emphasizes teaching and is recognized as one of the top ten largest producers of teachers in the US according to the American Association of Colleges of Teacher Education. It is classified among "R2: Doctoral Universities – High research activity".