Deco (disambiguation)
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Deco (born 1977) is a Portuguese footballer.
Deco or DECO may also refer to:
- DECO Cassette System, a software loader by Data East
 - DECO Online, a 2005 computer game
 - Deco*27, a Japanese musician
 - Deco Refreshments, Inc., a restaurant chain
 - Deco Vs. Deco, a 2008 DVD by the Japanese rock band Maximum the Hormone
 - Decò, an Italian supermarket and sponsor of the 2022 Serie B season
 - The Deco, a restored 1930s cinema and theatre in Northampton, England
 - Data East Corporation, a software company
 - Decompression (diving), scuba diving slang
 - Demos Commander, an orthodox file manager for Unix-like systems
 - Gustavo Deco, Argentinian and Italian neuroscientist