OMA

OMA or Oma may refer to:

Businesses

 * Office for Metropolitan Architecture, architecture firm founded by Dutch architect Rem Koolhaas
 * Oswalds Mill Audio (OMA), a lifestyle company manufacturing horn loudspeakers and high end audio equipment

Communication

 * OMA (time signal), a former Czech longwave call sign
 * .oma, extension for files encrypted by OpenMG Audio for Sony's ATRAC3 format
 * Open Mobile Alliance, a standards body for the mobile phone industry
 * Optical modulation amplitude, an optical communication term
 * Outdoor Media Association, the peak industry body representing the Out-of-Home advertising industry in Australia
 * Outlook Mobile Access, a mobile phone email program using Microsoft Exchange Server

Engineering

 * Operational Modal Analysis, a form of modal analysis which aims at identifying the modal properties of a structure based on vibration data collected when the structure is under its operating conditions

Entertainment

 * OMA Awards, awards created by MTV


 * Oma Ichimura (born 1977), Japanese voice actor
 * Oma Irama Penasaran, an Indonesian film released in 1976
 * Oma Marilyn Anona (born 1986), Nigerian multi-media personality
 * One Man Army (band), a California punk rock band formed in 1996
 * Only Men Aloud!, young Welsh male voice choir

Fictional characters

 * Oma Desala, a character in the television series Stargate SG-1
 * Ōma Kurogane (黒鉄 王馬), a character in Japanese light novel series Chivalry of a Failed Knight
 * Kokichi Ōma (王馬 小吉), a character in the video game Danganronpa V3: Killing Harmony
 * Shu Ouma (桜満 集), a character and protagonist in the Japanese anime television series Guilty Crown
 * Ohma Tokita (十鬼蛇 王馬), a character and main protagonist from the Japanese manga series Kengan Ashura
 * , alternately spelled Oma Zi-O, a character and the main antagonist of the 29th season of the Kamen Rider Series, Kamen Rider Zi-O

Medicine

 * Ontario Medical Association, a professional organization for physicians in Ontario, Canada
 * Opsoclonus Myoclonus Ataxia, a neurological disorder also known as Opsoclonus myoclonus syndrome
 * Otitis media acuta, an acute infection of the middle ear

Places

 * Ōma, a town in Aomori Prefecture, Japan
 * Ōma Nuclear Power Plant, in Japan
 * Oma, Russia, a village in Nenets Autonomous Okrug
 * Oma River, Nenets Autonomous Okrug, Russia
 * Oma, Wisconsin, a town in Iron County
 * Oman, IOC country code OMA

Transportation

 * Eppley Airfield, northeast Omaha, Nebraska, by IATA airport code
 * Grupo Aeroportuario Centro Norte, a Mexican airport operating company, by Mexican stock market ticker symbol
 * Omaha (Amtrak station), station code
 * ICAO designator for Oman Air, an Omani airline

Other uses

 * Cyclone Oma, impacted Vanuatu, New Caledonia and the Solomon Islands in 2019
 * Object Management Architecture, a vision for the component software environment
 * Office of Multicultural Affairs, an Australian Government agency from 1987 to 1996
 * Oklahoma Military Academy, from 1919–1982, the former name of Rogers State University in Claremore, Oklahoma
 * Olympic Moustakbel d’Arzew, an Algerian football team
 * Open Mashup Alliance, an industry group for enterprise mashups
 * Orlando Museum of Art, an art museum in Orlando, Florida
 * Orthologous MAtrix, a database of orthologous genes across multiple species