Irena

Irena may refer to:

People

 * Irena (name)

Places

 * Irena, Missouri, a village in the United States
 * Irena, Subcarpathian Voivodeship, a village in south-east Poland
 * Irena, Lublin Voivodeship, a town in eastern Poland, merged into nearby Dęblin in 1953

Other uses

 * HD 146389 (also known as WASP-38 or Irena), a star with a yellow-white hue in the northern constellation of Hercules
 * International Renewable Energy Agency, an intergovernmental organisation mandated to promote adoption and use of renewable energy
 * Irena (bird), a genus of passerine birds
 * IRENA, the Nicaraguan Institute of Natural Resources and the Environment, now the Ministry of the Environment and Natural Resources