OMAA

AcronymDefinition
OMAAOh My Aching Ass
OMAAOsztrák Magyar Akció Alapítvány (Hungarian: Austro-Hungarian Foundation for Action; Budapest, Hungary)
OMAAOntario Metis Aboriginal Association (Ontario, Canada)
OMAAOntario Municipal Administrators' Association (Toronto, Ontario, Canada)
OMAAOffice for Multicultural and Academic Affairs (University of Minnesota)
OMAAOkinawan Martial Arts Association (UK)
OMAAOssett Martial Arts Academy (UK)