RML may refer to: * RML Group, a motorsports and high performance engineering company * RML 380Z, an 8-bit computer built in Britain * Ratmalana Airport (IATA: RML), near Colombo, Sri Lanka * Reuters Market Light, a phone service to provide Indian farmers with timely information * Revised Marriage Law, a 1980 revision of the New Marriage Law in China * Riemann Musiklexikon, a music encyclopedia * Rifled muzzle loader, a type of gun common in the 19th century * AEC Routemaster, a type of double-decker bus * Rocket Madsen Space Lab (RML Spacelab), Copenhagen, Denmark * Rocky Mountain Laboratories, a research institute in Montana, United States * Roddenbery Memorial Library, in Cairo, Georgia, United States *Royal Mail Lines, once a major shipping company, the successor to the Royal Mail Steam Packet Company

See also