Richard O'Brien
Richard O'Brien is a professor emeritus in the Department of Biochemistry and Molecular Biology.
W. Brian O'Connor
W. Brian O'Connor is an emeritus professor in the Department of Biology.

Megan O'Loughlin
Megan O'Loughlin is a human resources coordinator in the Department of Earth, Geographic, and Climate Sciences.
Alexei Oblomkov
Alexei Oblomkov is a professor in the Department of Mathematics and Statistics.

Melissa Ocana
Melissa Ocana is a climate adaptation coordinator and extension educator in the Department of Environmental Conservation.

Uzodinma Okoroanyanwu
Uzodinma Okoroanyanwu is a research associate professor in the Department of Polymer Science and Engineering.
Akiko Okusu
Akiko Okusu is a senior lecturer in the Department of Biology.

Syde Orange
Syde Orange is the associate director of Student Success and Diversity in the College of Natural Sciences.
John F. Organ
John F. Organ is an adjunct associate professor in the Department of Environmental Conservation.

Barbara A. Osborne
Barbara A. Osborne is a professor in the Department of Veterinary and Animal Sciences.
