LK or lk may refer to:
LKG (also interpreted as Lalgudi Karuppiah Gandhi) is a 2019 Indian Tamil political satire film directed by K. R.
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 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.
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 Lietuvos krepšinio lyga (LKL) Finals is the championship finals series for the top-tier level professional club basketball league in Lithuania, the LKL, and the conclusion of the league's postseason.
Lkhagva Erdene (born in Darkhan City, Mongolia, March 11, 1987) is a Mongolian TV host, television producer, investigative reporter and activist.
LKQ Corporation is an American provider of alternative and specialty parts to repair and accessorize automobiles and other vehicles.
LKFFCT (alternately Lake Effect) is an American rock group from New Jersey.
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.