R13
# R13

R13 or R-XIII may refer to:

## Aviation

* Fouga CM.8 R13 Cyclone, a French sailplane
* Lublin R-XIII, a Polish army-cooperation plane
* Tumansky R-13, a Soviet turbojet engine

## Roads

* Jalan Gua Kelam, in Malaysia
* R-13 regional road (Montenegro)

## Other uses

* R13 (drug), an antidementia agent
* R-13 (missile), a Soviet missile system
* R13 (Rodalies de Catalunya), a regional rail line in Catalonia, Spain
* Chlorotrifluoromethane, a refrigerant
* Nyaneka language
* R13: Extremely flammable liquefied gas, a risk phrase
* Rebellion R13, a prototype racing car
* ROT13, a simple cipher
* USS R-13 (SS-90), a submarine of the United States Navy
* R 13, a Buffet Crampon clarinet model
