What does OO stand for?

The list of OO abbreviation meanings.

Stands For|151Abbreviated As|0Related|0
3
Office of Operations
3
Office of the Ombudsman
3
Operations Office(Science)
3
Osteoid Osteoma
3
Over Ocean
2
Object Overloading
2
Objekt orientiert
2
Observer and Observable
2
Oceanographic Office
2
On Order(Online, Text messaging, CHAT)
2
Online Onslaught
2
Open Office(Computer, Information Technology, Computing)
2
Operational Objective
2
Operations Orchestrator(Technology)
2
Optical Orientation
2
Orange Order(UK, United Kingdom)
2
Orbicularis Oculi(Medicine)
2
Orbital Overlap
2
Ordnance Office
2
Organics Organic
For more, try OO on ALL ACRONYMS DICTIONARY
9 years ago|9.3k views|share |citing 
APASmart Define. (2017). oo. Retrieved September 21, 2026, from http://smartdefine.org/oo/abbreviations/f
ChicagoSmart Define. 2017. "oo" http://smartdefine.org/oo/abbreviations/f (accessed September 21, 2026).
HarvardSmart Define 2017, oo, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/oo/abbreviations/f>.
MLASmart Define. "oo" 25 September 2017. Web. 21 September 2026. <http://smartdefine.org/oo/abbreviations/f>