OMA

OMA or Oma may refer to:

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 Desala, a character in the television series Stargate SG-1
• Oma Ichimura (born 1977), a Japanese voice actor
• One Man Army (band), a California punk rock band formed in 1996
• Only Men Aloud!, young Welsh male voice choir

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, Aomori, a town in Japan
• Ōma Nuclear Power Plant, in Japan

Transportation

• Eppley Airfield, northeast of Omaha, Nebraska, by IATA airport code
• Omaha (Amtrak station), station code

Other uses

• Oma, a word for grandmother in German and Dutch
• Grupo Aeroportuario Centro Norte, a Mexican airport operating company, by Mexican stock market ticker symbol
• Object Management Architecture, a vision for the component software environment
• Office for Metropolitan Architecture, architecture firm founded by Dutch architect Rem Koolhaas
• Oklahoma Military Academy, from 1919–1982, the former name of Rogers State University in Claremore, Oklahoma
• 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