Rel
- Almirante Marcos A. Zar Airport
- Ariel Schulman
- Arielle Gold
- Category of relations
- Confederate States of America
- Dalek
- European Rally for Liberty
- Ex rel
- REL
- Reaction Engines Limited
- Recommended Exposure Limit
- Rel (TV series)
- Rel (time)
- Rel Dowdell
- Rel Hunt
- Rel attribute
- Relative (disambiguation)
- Religare
- Rell (disambiguation)
- Rendille language
- Rights Expression Language
- Robert E. Lee