RDG, or Rdg, may refer to: Rail Delivery Group, a body in the privatised British railway system RDG Red Data Girl, fantasy novel series by Noriko Ogiwara RDG, the AAR reporting mark for the Reading Company, a defunct US railroad RDG, the IATA code for Reading Regional Airport in the state of Pennsylvania, US RDG, the National Rail code for Reading railway station in the county of Berkshire, UK Reading, in the field of temperature measurement Rechtsdienstleistungsgesetz, the German Legal Services Act Revolutionary Democratic Group, socialist organisation in the United Kingdom Royal Dragoon Guards, the Royal Dragoon Guards is an armoured regiment of the British Army Rwanda Development Gateway, a project to set up a national Rwandan portal for information sharing See also