DRL or drl may refer to:

Science and technology

  • Daytime running lamp, vehicle lights
  • Diode-resistor logic, AND and OR logic with diodes and resistors
  • Driven right leg circuit, an electric circuit added to biological signal amplifiers
  • Differential reinforcement of low response rate; see reinforcement

Sport

  • Deutscher Reichsbund für Leibesübungen, a Nazi German sports governing body
  • Drone Racing League, an air sports league

Transportation

  • Derol railway station, Gujarat, India
  • Downtown Relief Line, a former proposed subway line in Toronto, Canada
  • DRL Coachlines, a Canadian bus company

Other uses

  • DRL (video game), a 2013 video game
  • Bureau of Democracy, Human Rights, and Labor, of the United States Department of State
  • David Rittenhouse Laboratory, of the University of Pennsylvania
  • Defence Research Laboratory, of the Indian Defence Research and Development Organisation
  • Dominion Rules Licence, a free content licence
  • DRL Supply Co., a general store in Morrisonville, Illinois, United States
  • Baagandji language, an ISO 639-3 code