R17 or R-17 may refer to:
Vessels , an aircraft carrier of the Royal Australian Navy , also HMS Valentine (R17), a destroyer of the Royal Canadian Navy and Royal Navy , a submarine of the United States Navy
Other uses R17 (New York City Subway car) R17 (Rodalies de Catalunya), a regional rail service in Catalonia, Spain R-17 (TV series), a 2001 Japanese TV series BMW R17, a motorcycle ISO Recommendation R17, concerning preferred numbers Oppo R17, a smartphone R17: Spontaneously flammable in air, a risk phrase R-17 Elbrus, a Soviet ballistic missile R-17 regional road (Montenegro) Renard R.17, a Belgian civil utility aircraft Renault 17, a French car Rubik R-17 Móka, a Hungarian glider