OPV

OPV may refer to:


 * Offshore patrol vessel
 * Optionally piloted vehicle, a hybrid between a conventional aircraft and an unmanned aerial vehicle (UAV)
 * Oral polio vaccine, usually the Sabin preparation
 * Original promotional videos (or sometimes other people's videos), unofficial music videos usually produced by anonymous fans, using the official audio version of a song but substituting alternative video footage
 * Organic photovoltaic
 * Om Prakash Valmiki, Dalit writer and poet. His autobiography, Joothan, is a well known work in Dalit literature
 * OPV Nemesis, an Offshore Patrol Vessel of the New South Wales Police Force
 * Old Poland Voivodeship
 * Old Providence vireo (Vireo crassirostris), a bird of the West Indies
 * Om Prakash Verma
 * Omer Pashë Vrioni
 * Omicron Persei VIII
 * Operation Polar Valor
 * Operation Police Victory
 * Optional preferential voting, a system of vote-casting used in New South Wales and the Northern Territory in the Commonwealth of Australia
 * OPV AIDS hypothesis, an alternative theory regarding the origin of the AIDS virus