Otan or OTAN may refer to:
OTAN, abbreviation for the NATO intergovernmental military alliance in French, Portuguese and Spanish Otan, political party of Kazakhstan, formed into Nur Otan in 2006 and into Amanat in 2022 Otan Ayegbaju, or Otan, a town in Nigeria Autan, or Otan, a village in Syria
See also