Lerøy Seafood Group (OSE: LSG) is a seafood production and distribution company based in Bergen, Norway The company started operation in the 19th century when the fisherman Ole Mikkel Lerøen started selling fish and other seafood on the fish market of Bergen. In 1939 the primary subsidiary Hallvar Lærøy AS was founded.
Until 1997 the company was family owned, when it became a public company resulting in the listing on Oslo Stock Exchange in 2002.
At the end of 2008 the Group had 1 425 employees. Also in 2008, Austevoll Seafood ASA increased its ownership from 33.34% to 74.93%