See also: oa, .o'a, oa', óa, ōa, o.a., and o. Ä.

Contents

EnglishEdit

InitialismEdit

OA

  1. On or About
  2. Open Access
  3. Organizing Authority (alterante spelling: Organising Authority)

AnagramsEdit


SpanishEdit

AbbreviationEdit

OA

  1. Oaxaca (Mexican state)