Erastus Otis (E. O.) Haven (1820 - 1881) was president of the University of Michigan from 1863-1869. Haven Hall on the University campus is named after him.
- Wikipedia: Erastus Haven
- Erastus Otis Haven, Faculty History Project, University of Michigan
- Memorial proceedings in honor of the lamented President of the United States, Abraham Lincoln, held in Ann Arbor, Michigan: with the address of Rev. E.O. Haven, 1865