OSEF

AcronymDefinition
OSEFOn S'En Fout (French: We Don't Care)
OSEFOpen Source Education Foundation (Tucson, AZ)
OSEFOzarks Science and Engineering Fair (Missouri)
OSEFOpen Space with Earth Floor (animal studies)
OSEFObject-Oriented Software Engineering Flow
OSEFOakland Schools Education Foundation (Oakland, CA)
OSEFOntario Student Exchange Foundation (Canada)