Omaña is a comarca in Castille and León, Spain.
Omana or Omaña may also refer to:
Omana, a 1972 Indian Malayalam language film Alejandra Omaña, Colombian senator Omana Gopalakrishnan, an Indian translator of Russian books into Malayalam Sohar, the town of Omana mentioned by Pliny the Elder Omaña River, a river in Castille and León Las Omañas, municipality in Castille and León