- OLA
- Ontario Library Association (Community » Educational)Office of Legal Affairs (Governmental » United Nations)**** Open Learning Agency (Community » Educational)**** Oregon Library Association (Community » Educational)*** Open Learning Australia (Community » Educational)* Online Accounting (Business » Accounting)* Oscar Larson & Associates (Business » Firms)* Oklahoma Library Association (Academic & Science » Libraries)* Ontario Legislative Assembly (Computing » General)* Operational Level Agreements (Business » General)* On Line Advertising (Business » General)* Orland, Norway (Regional » Airport Codes)* Open Lab Assignments (Computing » General)* Objective Listener And Approach (Computing » General)* Organizacion Latino Americano (International » Spanish)
Abbreviations dictionary. 2012.