Rvo (also, Rivo) is a village and municipality in the Lankaran Rayon of Azerbaijan. It has a population of 1,462. The municipality consists of the villages of Rvo, Siyablı, and Mollakənd.
RVO may refer to:
- Royal Victorian Order, a dynastic order of knighthood and a house order of chivalry in the Commonwealth realms
- Reciprocal velocity obstacle, a type of velocity obstacle
- Return value optimization, a C++-specific compiler optimization technique.
- Rvo, a village and municipality in the Lankaran Rayon of Azerbaijan.