OPI may refer to:

Organizations

* Order of Perpetual Indulgence or Sisters of Perpetual Indulgence * The

Office of Police Integrity The Office of Police Integrity (OPI) was the Australian state of Victoria independent police oversight and anti-corruption agency established by the Victorian Government in November 2004. OPI ceased operation on 9 February 2013 and was replaced b ...

, Victoria, Australia

Science and technology

Open Payment Initiative The Open Payment Initiative, or O.P.I. for short, was launched to standardize the application interface between the EPOS application and any cashless payments solution installed on the EFT/PoS terminal. The specification for this interface focuse ...

* Ocular protection index

Places

* Opi, Abruzzo, a ''comune'' in Italy *

Opi (archaeological site) Opi is a community in Enugu State of South-Eastern Nigeria. It is populated by the Igbo people and located in Nsukka Nsukka is a town and a Local Government Area in Enugu State, Nigeria. Nsukka shares a common border as a town with Edem, ...

, Enugu State, Nigeria

Other uses

* Over the phone interpreting *

Oral Proficiency Interview An Oral Proficiency Interview (OPI) is a standardized, global assessment of functional speaking ability. Taking the form of a conversation between the tester and test-taker, the test measures how well a person speaks a language by assessing their pe ...

OPI Products OPI Products, branded as O·P·I, is an American nail polish manufacturer headquartered in Calabasas, California and a subsidiary of Coty Inc.. History OPI, originally named Odontorium Products Inc., was a small dental supply company purc ...

, a US nail polish manufacturer * Opi, an

Igbo Igbo may refer to: * Igbo people, an ethnic group of Nigeria * Igbo language, their language * anything related to Igboland, a cultural region in Nigeria See also * Ibo (disambiguation) * Igbo mythology * Igbo music * Igbo art * * Igbo-Ukwu, a ...

musical instrument * ''Oremus Pro Invicem'', Latin for ''Let us Pray for each other'' (see List of Latin phrases (O)) {{disambiguation