OBP may stand for:

Old Biron Place, an historic cabin in Warren, New Hampshire

• One Broadway Plaza, potential site of the tallest building in Orange County, California
• On-base percentage, a baseball statistic
• OpenBoot [Prom], also known as "Open Firmware", the low-level firmware in Sun Microsystems, Inc. machines
• Orange-bellied Parrot, a critically endangered bird species from Australia
• One Bad Pig, a Christian punk band from Austin, Texas
• Odorant binding protein - olfaction; proteins
• Optical Binding Post, in regards to fiber optic connections
• Office of Border Patrol, also known as the United States Border Patrol
• Optimum Balance Products Ltd., a race pedal box manufacturer (www.obp.uk.net)

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