EPO or epo may refer to:

Organisations

* EPO (publisher), Belgium * European Patent Office * Evansville Philharmonic Orchestra, US

Science and technology

* Education and public outreach * Electrolytic plasma oxidation, a metal surface treatment process * Emergency power off * Erythropoietin, red blood cell production hormone * Evening primrose oil * Eosinophil peroxidase, an enzyme

Other uses

* Esperanto (ISO 639-2 code), a constructed language * Children Act 1989#Emergency protection order * European Payment Order * Exclusive provider organization, in US health insurance * Emergency Powers Order per Irish 1939–1946 Emergency Powers Act 1939 {{disambiguation