Echelon can refer to:

• A matrix in echelon form in mathematics.
• The echelon formation in migratory bird flight, aerial combat, tank warfare , and medieval warfare.
• ECHELON is an intelligence gathering network run by UKUSA.
• Echelon is a game console warez organization.
• Echelon is a flight simulator by Bulk Entertainment .
• Echelon is a card game by Echelon Games .