Rems
- European Microscopy Society
- International Federation of Societies for Microscopy
- Knoellia remsis
- RCAF Station Assiniboia
- Radiofrequency Echographic Multi Spectrometry
- Rams (card game)
- Rapid eye movement sleep
- Rem (disambiguation)
- Rems (river)
- Rems Umeasiegbu
- Risk Evaluation and Mitigation Strategies
- Rover Environmental Monitoring Station
- Ryan Rems
- Tadej Rems
- Texas Tech University