Rem
- Bobobo-bo Bo-bobo
- CSS
- Dance with Devils
- Dream Hunter Rem
- How Not to Summon a Demon Lord
- Jakob Rem
- La République En Marche!
- Lars Rem
- Logan's Run (TV series)
- Priscilla Hamby
- R.E.M.
- R.E.M. (EP)
- R.E.M. (song)
- REM (BASIC)
- REM Island
- REM World
- Random effects model
- Rapid eye movement sleep
- Rare-earth metal
- Real ear measurement
- Reflection electron microscope
- Reichserziehungsministerium
- Reiss Engelhorn Museum
- Rem (Death Note)
- Rem (mythology)
- Rem Koolhaas
- Rem Saverem
- Rem Vyakhirev
- Rems (disambiguation)
- Resource Extraction Monitoring
- Reticular erythematous mucinosis
- Roentgen equivalent man
- Root em
- Rosicrucian Egyptian Museum
- Rém
- Réseau express métropolitain