ONM

AcronymDefinition
ONMOfficial Nintendo Magazine
ONMOnderweg Naar Morgen (Dutch soap opera)
ONMOpen Network Management
ONMLiverpool to New York, Medium (routing designation; US Navy)
ONMOptical Network Management
ONMOcmulgee National Monument (Macon, GA)
ONMOrder of the Nefarious Mass (Satanism)
ONMOffice of Navy Material