Deutscher Motor Sport Bund
（重定向自DMSB）
DMSB or Deutscher Motor Sport Bund e. V. is Germany's motor racing governing body, formerly known as ONS (Oberste Nationale Sportbehörde). It is carried by the clubs ADAC, AvD and DMV, and represents Germany at FIA and FIM.
The DMSB-Staffel, founded in 1972 by Herbert Linge as ONS-Staffel, is considered the first mobile track marshaling crew, equipped with fast cars like Porsche 914 or Porsche 911, carrying fire extinguishers and doctors in order to arrive quickly at a crash site.