Mac Elwyn Van Valkenburg (October 5, 1921 – March 19, 1997) was an American electrical engineer.
Van Valkenburg was born in Utah. He graduated from the University of Utah in 1943 with a Bachelor's degree in electrical engineering, received a master's degree in electrical engineering from the Massachusetts Institute of Technology in 1946, and a PhD in electrical engineering from Stanford University in 1952, under advisor Oswald Garrison Villard, Jr..
Van Valkenburg was a professor at the University of Illinois from 1955-1966, then joined Princeton University as professor and head of electrical engineering until 1974. He then returned to UIUC. Named to the W. W. Grainger Professorship endowed chair in 1982, and became Dean of the College of Engineering in 1984.
Van Valkenburg was author of seven textbooks and numerous scientific publications. He died in Orem, Utah at the age of 75.
The IEEE Education Society offers an annual Mac Van Valkenburg Early Career Teaching Award. UIUC established the M. E. Van Valkenburg Graduate Research Award in 1990.
His Ph.D. students have included: