R12

R12 may refer to:

Automobiles

• BMW R12, a motorcycle
• Renault 12, a French family car

Aviation

• Bell R-12, an American utility helicopter
• Caudron R.12, a French experimental biplane
• Republic XR-12 Rainbow, an American experimental reconnaissance aircraft
• R-12 Kassel/Rothwesten, a former United States Army Air Corps airfield in Germany
• Rubik R-12 Kevély, a Hungarian training glider
• Yakovlev R-12, a Soviet prototype reconnaissance aircraft

Roads

• R12 road (Belgium)
• R12 road (Ghana)
• R-12 regional road (Montenegro)
• R12 road (Russia)

Public transport

• R12 (New York City Subway car)
• R12 (Rodalies de Catalunya), a regional rail line in Catalonia, Spain
• Kenilworth Avenue Line of the Washington Metropolitan Area Transit Authority

Vessels

• HMS Contest (R12), a destroyer of the Royal Navy
• HMS Hermes (R12), an aircraft carrier of the Royal Navy
• HMS R12, a submarine of the Royal Navy
• USS R-12 (SS-89), a submarine of the United States Navy

Other uses

• R12 (cemetery), a Neolithic cemetery in Sudan
• Dichlorodifluoromethane, a refrigerant
• Ndombe language
• R-12 Dvina, a Soviet ballistic missile
• R12: Extremely flammable, a risk phrase
• Small nucleolar RNA R12