RV1 may refer to: Chrysler RV1 Valiant, a passenger car London Buses route RV1 Mandala 1, the first mandala of the Rigveda RV-1 Mohawk, a reconnaissance aircraft RV-1 nuclear reactor, a Venezuelan research reactor Toyota RV-1, a concept vehicle VanGrunsven RV-1, a homebuilt aircraft Sonata No. 6 in A Major, RV 1, from Antonio Vivaldi's Twelve Trio Sonatas, Op. 2