OPO

"OPO" or "Opo" can refer to:


 * OnePlus One, a smartphone model produced by the Chinese company OnePlus
 * Optical parametric oscillator
 * Francisco de Sá Carneiro Airport, known by IATA code OPO
 * Organ procurement organization, which helps to arrange organ donation
 * One-man operation, also known as one person operation in road passenger transport where a driver of a vehicle has sole responsibility for operating the vehicle
 * Lagenaria siceraria, a squash commonly known as opo
 * Opo the Dolphin, a famous dolphin in New Zealand
 * Online Presence Ontology
 * Orlando Philharmonic Orchestra
 * Orlando Pops Orchestra
 * Ovamboland People's Organization