Messmer
- Alzenau
- Commonwealth of Independent States
- Henry Messmer
- Ivan Messmer
- Jesuits
- John Messmer
- Kunsthalle Messmer
- Magali Messmer
- Mark Messmer
- Mesmer (disambiguation)
- Messmer High School (Milwaukee)
- Mindi Messmer
- Nikolaus Messmer
- Otto Messmer
- Pierre Messmer
- Riegel am Kaiserstuhl
- Sebastian Gebhard Messmer
- Wayne Messmer