"OPO" or "Opo" can refer to:
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OnePlus One
The OnePlus One (colloquially abbreviated to OPO and also known as OnePlus 1) is an Android smartphone manufactured by OnePlus. Unveiled in April 2014, it is the first product by OnePlus. The OnePlus One was designed to compare favorably – ...
, a smartphone model produced by the Chinese company OnePlus
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Optical parametric oscillator
An optical parametric oscillator (OPO) is a parametric oscillator that oscillates at optical frequencies. It converts an input laser wave (called "pump") with frequency \omega_p into two output waves of lower frequency (\omega_s, \omega_i) by mean ...
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Francisco de Sá Carneiro Airport
Francisco Sá Carneiro Airport or simply Porto Airport (formerly ''Pedras Rubras Airport'') is an international airport near Porto (Oporto), Portugal. It is located northwest of the Clérigos Tower in the centre of Porto, in the municipalitie ...
, known by IATA code OPO
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Organ procurement organization In the United States, an organ procurement organization (OPO) is a non-profit organization that is responsible for the evaluation and procurement of deceased-donor organs for organ transplantation. There are 57 such organizations in the United Sta ...
, which helps to arrange organ donation
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One-man operation
One-person operation (OPO), also known as driver-only operation (DOO), one-man operation (OMO), single person train operation (SPTO), or one-person train operation (OPTO), similarly to Driver Controlled Operation, is operation of a train, bus ...
, also known as one person operation in road passenger transport where a driver of a vehicle has sole responsibility for operating the vehicle
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Lagenaria siceraria
Calabash (; ''Lagenaria siceraria''), also known as bottle gourd, white-flowered gourd, long melon, birdhouse gourd, New Guinea bean, Tasmania bean, and opo squash, is a vine grown for its fruit. It can be either harvested young to be consumed ...
, a squash commonly known as opo
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Opo the Dolphin
Opo was a bottlenose dolphin who became famous throughout New Zealand during the summer of 1955/56 for playing with the children of the small town of Opononi on the Hokianga harbour.
Opo was a wild dolphin that started following fishing boats aro ...
, a famous dolphin in New Zealand
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Online Presence Ontology
The concept of the Social Semantic Web subsumes developments in which social interactions on the Web lead to the creation of explicit and semantically rich knowledge representations. The Social Semantic Web can be seen as a Web of collective knowl ...
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Orlando Philharmonic Orchestra
The Orlando Philharmonic Orchestra is Central Florida's resident professional orchestra, appearing in more than 125 performances each season. Founded in 1993. At over $4 million, the Orlando Philharmonic has the largest endowment of any arts in ...
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Orlando Pops Orchestra
The Orlando Pops Orchestra is an American orchestra based in Orlando, Florida that specializes in playing classical and film score
A film score is original music written specifically to accompany a film. The score comprises a number of orch ...
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Ovamboland People's Organization
The Ovamboland People's Organization (OPO) was a nationalist organization that existed between 1959 and 1960 in South West Africa (now present day Namibia). The aim of the organization was to end the South African colonial administration, and the ...
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