The word eco may refer to ecology or economics. The word, or the initials E.C.O., may also refer to:

Arts and entertainment Eco (1987 video game), life-simulation video game (1987) Eco (2018 video game), simulation video-game (2018) Eco (Jorge Drexler album), 2004 "Eco" (song), by Joan Thiele (2025) Emil Chronicle Online, Japanese MMO computer game (2005) English Chamber Orchestra, based in London Eco, character in the Dragonar Academy light-novel series Eco, fictional substance in the Jak and Daxter games Eco, character on the children's show The Shak Noticias ECO, defunct Mexican television news channel

Government and politics Economic Cooperation Organization, founded in 1985 by Iran, Pakistan, and Turkey Environment and Conservation Organisations of Aotearoa New Zealand Environmental Commissioner of Ontario European Communications Office Executive Council of Ontario

Technology .eco, top-level domain for the Internet eco - Association of the Internet Industry, the German Internet industry association Ecosia, web search engine Elementary column operations, performed on the columns of an elementary matrix in mathematics Engineering change order

Other uses Eco (currency), proposed currency ECO: A Covenant Order of Evangelical Presbyterians, Christian denomination Edison Chouest Offshore, American shipbuilder Encyclopaedia of Chess Openings Energy Company Obligation, government scheme in Great Britain Environmental Children's Organization, children's environment organization founded in the 1990s Equity carve-out Esporte Clube Osasco, Brazilian football club Eternally collapsing object Umberto Eco (1932–2016), Italian philosopher, semiotician, novelist

See also

Ecco (disambiguation) Echo (disambiguation) Eko (disambiguation) Ekko (disambiguation)

Eckō Unltd., clothing brand EKCO, British electronics company