MVR or MvR may refer to:

Codes

• Maldivian rufiyaa, Maldives currency by ISO 4217 code
• Salak Airport, Maroua, Far North Province, Cameroon
• Marau language of Indonesian Papua, ISO 639-3 code
• IBM RPG II programming language "Move Remainder" operation code

Organizations

• Fifth Republic Movement (Spanish: Movimiento V [Quinta] República), a Venezuelan political party
• Transports Montreux–Vevey–Riviera, a Swiss railway operator

Science and technology

• Mechanical vapor recompression, an energy recovery process;
• Melt Volume(-flow) Rate, a measure of the ease of flow of the melt of a thermoplastic polymer.

Transportation

• Meon Valley Railway, cross-country railway 1903–1968, Hampshire, England
• Moors Valley Railway
• Mary Valley Rattler, a heritage railway line conducting steam train tours from Gympie to Amamoor (formerly Imbil).

Miscellaneous

• Market Value Reduction, used by insurance companies
• Mound Visits Remaining, in baseball