OMV may stand for: OMV, an oil-producing, refining and gas station operating company in Austria Oblati di Maria Vergine (Oblates of the Virgin Mary), a religious order of the Catholic Church Omotic languages (ISO 639-5 language code) Outer membrane vesicles, lipid vesicles released by Gram-negative bacteria OpenMediaVault, a free network-attached storage server Orbital Maneuvering Vehicle, defunct NASA space tug design