Echelon

* ECHELON is an intelligence gathering network run by an international alliance of signals intelligence organizations known as UKUSA
* The Echelon is the street publicity team of the band 30 Seconds to Mars, and also the name of a song on their debut album.
* Echelon (band)
* Echelon (board game), made by The Great Game Company in 1989. Where people must memorize passages of literature and answer questions about the passages correctly to collect letters spelling Echelon. First one to collect all the letters of the word Echelon wins.
* Echelon (card game), a card game by Echelon Games
* "Echelon" (flight simulator), a flight simulator series developed by MADIA
* Echelon (geology), in geology, a set of short linear features which overlap or are staggered in a line that runs obliquely to the strike of the individual features
* Echelon (video game), a 1988 video game which could employ acoustic weapon commands
* Echelon (warez), a game console warez organization
* Echelon Corporation, a US Corporation, self identified as a pioneer in control networks, creators of the LonWorks distributed control platform
* Echelon crack, a cracking pattern that indications a response to shear stress, often found in streets crossing zones of aseismic creep.
* Echelon formation, a formation in aerial combat, tank warfare, naval warfare and medieval warfare; also used to describe a migratory bird formation. Each element of the formation (on one wing of the echelon) will be both further out from the lead element and further back than the preceding element.
* Echelon Place, the Boyd Gaming resort built on the site of the former Stardust Resort & Casino
* Row echelon form, in mathematics, a kind of matrix
* Voorhees Town Center, formerly Echelon Mall
* Echelon IV, in the video game Deus Ex is replaced by Daedalus, a fictional computer surveillance system
* Riding in an echelon, a road bicycle racing technique to make maximum use of another rider's slipstream in a crosswind
*Third Echelon is the name of a fictional sub-agency within the National Security Agency featured in the Splinter Cell series of games and novels created by Tom Clancy