OTPA

AcronymDefinition
OTPAOught to Pass with Amendment (New Hampshire)
OTPAOld Towne Preservation Association (Orange, CA)
OTPAOffice of Tax Policy Analysis (various locations)
OTPAOne Time Password Authentication
OTPAOut-of-Turn Plan Amendment
OTPAOptically-Tuned Patch Antenna
OTPAOffice of Technology and Policy Analysis (US DOC)