Ecco

Ecco or ECCO may refer to:

Organizations 
 East Calhoun Community Organization, a neighborhood organization in Minneapolis, Minnesota
 Ecco Press, an imprint of the multinational publisher HarperCollins
 ECCO, a Danish shoe manufacturer
 Eighteenth Century Collections Online, a digital library of books published in the British Empire between 1701 and 1800
 European Cancer Organisation, a non-profit oncology association
 ECCO International Communications Network, an international PR- and communications-group
 European Confederation of Conservator-Restorers' Organisations, a non-governmental professional organisation

Art and entertainment 
 Ecco the Dolphin (series), a series of action-adventure science fiction video games
 Ecco the Dolphin, a 1992 video game
 Ecco (Gotham), a character in the TV series Gotham
 "Ecco, ridente in cielo", a cavatina from The Barber of Seville

Other uses 
 Encyclopedia of Chinese Chess Openings, a classification of all possible openings in Chinese Chess
 Earth Coincidence Control Office, a concept of super intelligent entities described by John C. Lilly
 Ecco Pro, personal information manager software
 Estimating the Climate and Circulation of the Ocean (ECCO), an oceanographic model based on the MIT General Circulation Model

See also
 
 Echo (disambiguation)
 Eco (disambiguation)
 Eko (disambiguation)
 Ekko (disambiguation)