Omi or OMI may refer to: In business Optical Mechanics, Inc., a US telescope company Ottico Meccanica Italiana, an Italian company Original Musical Instrument Company, manufacturers of resonator guitars Open Music Initiative, a digital rights framework for the music industry. OMI Rotterdam, a foundation from Rotterdam People Omi (singer), Jamaican reggae singer Omi (given name) Includes list of name-holders , Japanese politician , Japanese footballer , Japanese football player , Japanese actor , Japanese footballer , President of the Japan Community Health Care Organization , Japanese singer and voice actress , Japanese scholar and writer , is a former Japanese football player Yurie Omi, Japanese broadcaster (announcer) Horace Ridler, professional freak and sideshow performer known as "The Great Omi" Places Omi Shrine, in Ōtsu, Shiga Prefecture, Japan Ōmi Province, a former province of Japan Omi, Nagano, a modern village in Japan Omidiyeh Air Base, in Iran (IATA code OMI) In science and technology HtrA serine peptidase 2 (symbol OMI), an enzyme encoded by the HTRA2 gene OMI cryptograph, a cipher machine produced by Italian firm Ottico Meccanica Italiana Oocyte maturation inhibitor Ozone Monitoring Instrument, on the AURA satellite Open Management Infrastructure, an open-source CIM/WBEM management server Marker beacon, a type of VHF beacon used in navigation. "Outer," "Middle," and "Inner" markers, grouped together as "OMI" Original Machine Interface, an instruction format used in the IBM i operating system. Other uses Omi, an ancient Japanese hereditary title Ōmi Code, a collection of laws compiled in 668AD in classical Japan Omi, protagonist of the animated TV series Xiaolin Showdown Omi language, spoken in the Democratic Republic of the Congo Missionary Oblates of Mary Immaculate (OMI), a Catholic missionary order Japanese-language surnames