OU

Open University (Academic & Science » Universities)

*** University of Oklahoma, Norman (Academic & Science » Ocean Science)

*** Ohio University (Academic & Science » Universities)

** Organizational Unit (Governmental » Military)

** Organizational Unit (Computing » Networking)

* Orthodox Union (Community » Religion)

* Osmania University (Academic & Science » Universities)

* Operating Unit (Business » General)

* Ou Or U (Internet)

* Oregon Unitards (Medical)

* Oklahoma Utopia (Miscellaneous » Funnies)

* Oculus Uterque (both Eyes, In Each Eye) (Medical » Physiology)

Over Used (Internet » Chat)