OTS
Office of Thrift Supervision
OTTOMH
Off the top of my head
App/Chat: uit mijn hoofd
OU
The Open University
open universiteit
OVAE
Office of Vocational and Adult Education
OVBD
Office of Veterans Business Development
OVC
Office for Victims of Crime
OVI
Open Verilog International (organization)
OVP
over-voltage protection (power supply)
OVP
Office of the Vice President
OVSF
orthogonal variable spreading factor
OVW
Office on Violence Against Women
OWBO
Office of Women's Business Ownership
OWCP
Office of Workers' Compensation Programs
OWH
Office on Women's Health
Oxon
The county of Oxfordshire
OZ
Ounce
28,35 gram
Oz
Australia
bijnaam van Australie