Oia (disambiguation)

There is more than one place called Oia:

Brazil

 * — Ourilândia do Norte Airport in Pará (Brazil)

Greece

 * Oia or Ia — a town on Santorini island

Portugal

 * Oiã a town in Oliveira do Bairro municipality

Spain

 * Oia (Spain) — a municipality in Galicia

United States of America

 * "OIA" — is a local abbreviation for Orlando International Airport