Whitmer
- B. J. Whitmer
- Chandler Whitmer
- Christian Whitmer
- Dan Whitmer
- David Whitmer
- Gretchen Whitmer
- Jacob Whitmer
- John Whitmer
- John Whitmer Historical Association
- Mary Mussleman Whitmer
- Peter Whitmer Jr.
- Peter Whitmer Sr.
- Peter Whitmer log home
- Whitmer High School
- Whitmer Peninsula
- Whitmer, West Virginia
- Whitmore (disambiguation)
- Witmer (disambiguation)
- Wittmar
- Wittmer