OHH

AcronymDefinition
OHH➣Oceans and Human Health
OHH➣Oilfield Helping Hands (est. 2003; Houston, TX)
OHH➣Oklahoma Heart Hospital (Oklahoma City, OK)
OHH➣Over the Hill Hockey (Ohio)
OHH➣Olde Hide House Acton Ontario (Canada)
OHH➣Oral Hygiene Habit (dentistry)