OMR may stand for:Galería OMR, a gallery in Mexico City Ohio Military Reserve, the state defense force of Ohio Old Mahabalipuram Road, a transport corridor in Chennai City Omani rial, by ISO 4217 currency code Optical mark recognition, a data-capture technology Optical music recognition Oradea International Airport Organically moderated and cooled reactor Outermost region, a region which is part of a European Union member state, is situated outside of Europe and is fully part of the EU OMR, a 2022 album by Omar Rudberg