Ergon may refer to:
Ergon, alien from the Doctor Who serial Arc of Infinity Ergon chair, designed by Bill Stumpf for Herman Miller in the 1970s Ergon, concept from Aristotle's Nicomachean Ethics that is most often translated as function, task, or work Ergon, Inc., petroleum company based in Jackson, Mississippi Ergon Energy, electricity company owned by the Government of Queensland
See also Potentiality and actuality (Ancient Greek: ἔργον) Erg (unit), unit of energy Tri-Ergon, sound production technology