CRDA may refer to:

Organisations Andhra Pradesh Capital Region Development Authority (APCRDA), an urban planning agency in India Calgary Roller Derby Association, a Canadian roller-derby league Casino Reinvestment Development Authority, a New Jersey, US state governmental agency Croda International (LSE stock symbol), a British chemicals company

Aviation Cantieri Riuniti dell'Adriatico, an Italian manufacturer in the sea and air industry from 1930 to 1966 "C.R.D.A.", designations attached to aircraft manufactured by a related company, Cantieri Aeronautici e Navali Triestini

Other uses Cooperative Research and Development Agreement, an agreement between a US government agency and a private company Central Regulatory Domain Agent, controls wireless channels in computer networking Converging Runway Display Aid, an aviation computer software used during dependent converging instrument approach operations