OBG (disambiguation)

OBG is an initialism for Ormeau Baths Gallery in Belfast, Northern Ireland.

OBG may also refer to:


 * OBG/OBGYN, surgical–medical specialties dealing with the female reproductive organs
 * OBG(W), Overwatch Battle Group (West), an Australian Army battlegroup
 * OBG Ltd v Allan, a case on economic torts in English law
 * Odesa Botanical Gardens, Ukraine
 * Ofer Brothers Group, an Israeli family business
 * Oprah's Big Give, a reality television series hosted by Nate Berkus
 * Operation Board Games, a 2003 federal fraud investigation
 * O.B.G., Overmassive black hole galaxy