DYA

DYA may refer to:


 * Daytona Beach Thruway Motorcoach stop (Amtrak code: DYA), a Daytona Beach, Florida Amtrak station
 * Demopolis Municipal Airport (FAA location identifier: DYA), a city-owned public-use airport
 * DYA framework, an enterprise architecture framework developed by the consulting company Sogeti
 * Dysart Airport (IATA code: DYA), an airport near Dysart, Queensland