Howard E. Zimmerman (July 5, 1926 – February 12, 2012) was a professor of chemistry at the University of Wisconsin–Madison.

[3] He was elected to the National Academy of Sciences in 1980[4] and the recipient of the 1986 American Institute of Chemists Chemical Pioneer Award.

[7] During World War II, he served in the U.S. Armored Corps in Europe where he was a tank gunner.

Zimmerman gave ACS Short Courses on organic quantum chemistry and molecular orbital theory.

He authored a 1975 textbook entitled Quantum Mechanics for Organic Chemists.