OPI may refer to:

Organizations

* Order of Perpetual Indulgence or

Sisters of Perpetual Indulgence The Sisters of Perpetual Indulgence (SPI), also called Order of Perpetual Indulgence (OPI) is a charity, protest, and street performance organization that uses drag and religious imagery to call attention to sexual intolerance and satirizes issue ...

* The Office of Police Integrity, 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 focused ...

Ocular protection index Tear break-up time (TBUT) also known as tear film break-up time (TFBUT) is the time taken for the first dry spot to appear on the cornea after a complete blink. TFBUT measurement is an easy and fast method used to assess the stability of tear film ...

Places

Opi, Abruzzo Opi ( nap, Opjë, label=Neapolitan language, Marsicano ) is a ''comune'' and town in the province of L'Aquila in the Abruzzo region of central Italy. It is located in the National Park of Abruzzo, Lazio e Molise. Main sights *Mother Church of San ...

, a ''comune'' in Italy * Opi (archaeological site), Enugu State, Nigeria

Other uses

Over the phone interpreting Telephone interpreting connects human interpreters via telephone to individuals who wish to speak to each other but do not share a common language. The telephone interpreter converts the spoken language from one language to another, enabling li ...

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, a US nail polish manufacturer * Opi, an Igbo musical instrument * ''Oremus Pro Invicem'', Latin for ''Let us Pray for each other'' (see List of Latin phrases (O)) {{disambiguation