OBS

Acronym	Definition
OBS	Observation (Groundwater Modeling Systems)
OBS	Observed
OBS	Organization(al) Breakdown Structure
OBS	Observer
OBS	Obviously
OBS	Obsolete
OBS	Obstacle
OBS	Online Business Systems (Canada)
OBS	Obstruction (baseball)
OBS	Ocean Bottom Seismometer
OBS	Openbare Basisschool
OBS	Optical Burst Switching (IEEE)
OBS	Organic Brain Syndrome
OBS	Ocala Breeders Sales
OBS	Office of Boating Safety (Canadian Coast Guard)
OBS	Off Balance Sheet
OBS	Omni Bearing Selector
OBS	Orange Blossom Special
OBS	Outward Bound Singapore
OBS	Outward Bound School
OBS	Open Bidding Service (Canada)
OBS	Old Black Spruce
OBS	Optical Back Scatter (class of turbidity sensors)
OBS	Out-of-Band Signaling
OBS	On-Board Service
OBS	Oxford Biosignals Ltd
OBS	Operational Bioinstrumentation System
OBS	On-Board Switching
OBS	Old Brown Sherry
OBS	old body style (automotive)
OBS	Operation Boat Smart
OBS	Optical Biopsy System
OBS	Orlando Ballet School (Florida, USA)
OBS	Off Bore Sight
OBS	Obligation à Bons de Souscriptions
OBS	OSIS Baseline System
OBS	On-Base Average and Slugging percentage (baseball statistic)
OBS	On Board Spares
OBS	Out of Balance Switch
OBS	Office Based Sales
OBS	Obstructive Bowel Syndrome