LK or lk may refer to:
LKAB Malmtrafik, earlier Malmtrafik i Kiruna AB (MTAB), is a Swedish railway company which operates the iron ore freight trains on the Iron Ore Line and the Ofoten Line.
The LK (Russian: ЛК, from Russian: Лунный корабль, "Lunniy korabl", meaning "Lunar craft"; GRAU index: 11F94) was a piloted lunar lander developed in the 1960s as a part of the Soviet attempts at human exploration of the Moon.
The Emirates Stakes, registered as the LKS Mackinnon Stakes, is a Victoria Racing Club Group 1 Thoroughbred horse race run under Weight for Age conditions over a distance of 2000 metres at Flemington Racecourse in Melbourne, Australia on the last day of the VRC Spring Carnival, the Saturday after the Melbourne Cup.
Lkhagva Erdene (born in Darkhan City, Mongolia, March 11, 1987) is a Mongolian TV host, television producer, investigative reporter and activist.
LKQ Corporation is a provider of alternative and specialty parts to repair and accessorize automobiles and other vehicles.
Loudness, K-weighted, relative to full scale (LKFS) is a loudness standard designed to enable normalization of audio levels for delivery of broadcast TV and other video.
The Leichter Kampfwagen II ("light combat car") or LK II was a German light tank of World War I. A development of the LK I it incorporated a fixed rear superstructure and was armed with a 37mm Krupp or 57mm Maxim-Nordenfelt gun.
LkCa 15 is a T Tauri star in the Taurus-Auriga Star Forming Region. These types of stars are relatively young pre-main-sequence stars that show irregular variations in brightness.