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 Seppelt Mackinnon 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 Melbourne Cup 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.
Lkhon Khol Wat Svay Andet is a dance drama genre that is practised in one community surrounding a Buddhist monastery, Wat Svay Andet.
LKQ Corporation is an American provider of alternative and specialty parts to repair and accessorize automobiles and other vehicles.
Luossavaara-Kiirunavaara Aktiebolag (LKAB) is a Swedish mining company. The company mines iron ore at Kiruna and at Malmberget in northern Sweden.
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.