R13
- Buffet Crampon
- Caraga
- Chlorotrifluoromethane
- Dal, Norway
- Drammen
- Fouga CM.8 R13 Cyclone
- Jalan Gua Kelam
- Lublin R-XIII
- Movie and Television Review and Classification Board
- Nyaneka language
- R-13 (missile)
- R-13 regional road (Montenegro)
- R13 (Rodalies de Catalunya)
- R13 (drug)
- ROT13
- Rebellion R13
- Tumansky R-13