OPI

OPI may refer to:

Organizations

• Office of Primary Interest
• Order of Perpetual Indulgence (see Sisters of Perpetual Indulgence)
• The Office of Police Integrity, an independent agency formed by the Victorian Government investigating police corruption
• Oklahoma Policy Institute

Science and technology

• C. opilio, a species of Chionoecetes crab
• Open Payment Initiative
• On Package DMI interconnect Interface (Intel integrated PCH)
• Open Prepress Interface uses a network server to store images in order to reduce memory required for high-resolution document image layout.
• Online Provisioning Interface (Telecommunications: Intelligent Network element)

Places

• Opi, Abruzzo, a comune in Italy
• Opi (archaeological site) an Igbo community in Nsukka, Enugu State, Nigeria, the location of a prehistoric archaeological site

Music

• Opi (instrument), an Igbo musical instrument

Other uses

• Over the phone interpreting
• Oral Proficiency Interview
• OPI Products, a nail beauty product brand
• Oremus Pro Invicem (from the Latin), That is : Let us Pray for each other (see List of Latin phrases (O))