Ext

Ext, ext or EXT may refer to:
 * Ext functor, used in the mathematical field of homological algebra
 * Ext (JavaScript library), a programming library used to build interactive web applications
 * Exeter Airport (IATA airport code), in Devon, England
 * Exeter St Thomas railway station (station code), in Exeter, England
 * Extended file system, a file system created for Linux
 * Exton station (Pennsylvania) (Amtrak station code), in Exton, Pennsylvania
 * Extremaduran language (ISO language code), spoken in Spain
 * Extremeroller, a former roller coaster at Worlds of Fun, Kansas City, Missouri
 * Cadillac Escalade EXT, a sport utility truck