Lillestrøm Sportsklubb is a Norwegian professional football club based in the city of Lillestrøm, just outside of the capital Oslo, currently playing in Eliteserien. The club was founded in 1918, after the merger of two local football clubs. Their home ground is Åråsen Stadion, which has a capacity of 12,250 people, while the principal training ground is Lillestrøm stadion, or the indoor arena, LSK-Hallen. The club holds the Norwegian record for the most consecutive years without being relegated, having played 45 seasons from 1975 until 2019.Lillestrøm SK went undefeated throughout the 2025 season in 1.divisjon, without losing any of their league matches, something that has never happened before in the history of Norwegian 1.divisjon. They also rounded off the season with a Cup victory in the Norwegian cup, thus completing both the league and cup without a loss, which is completely unique historically in Norwegian football. .Over the years the club has had around 40 players who have represented the Norwegian national team. There has also been a number of foreigners who have represented the national teams of the United States, Sweden, Iceland, Senegal, Finland, Malta, Australia, South Africa, Slovenia, Tunisia, Canada, Somalia, and Nigeria.
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History
Lillestrøm SK was founded on 2 April 1918. It has been Norwegian League champions five times, most recently in 1989, and also in 1986, 1977, 1976 and 1959. Additionally, they have won the Norwegian Cup in 1977, 1978, 1981, 1985, 2007, 2017 and 2025.
When Arne Erlandsen left for Sweden and IFK Göteborg after the 2004 season, former LSK player and German international Uwe Rösler took over as head coach of the team. His first season in charge became a successful one, with Lillestrøm finishing fourth in the league. This position secured LSK a place in the Royal League. The team also made it to the 2005 Norwegian Cup final, but lost 4–2 to Molde in front of a crowd of 25,000 at Ullevaal Stadion.
In the 2006 season, Lillestrøm were among the top favourites to win the league. Following a disappointing 4th place, it was announced on 13 November 2006 that Uwe Rösler had been fired from his position as head coach of Lillestrøm. Only a few days later Tom Nordlie signed a three-year contract.
A key signing ahead of the 2007 season included Fredrikstad's Simen Brenne, an attacking midfielder with a knack for scoring important goals. LSK under Nordlie played a 4–3–3 system, which invites rapid transitional play between defence and attack, Lillestrøm finished fourth in the league and won the 2007 Norwegian cup, beating Haugesund 2–0 in the final at Ullevaal Stadion.
On 29 May 2008, Tom Nordlie resigned from his position as head coach after a disappointing start of the 2008 season. Statements from Nordlie suggested that fundamental disagreements with club director Aiden Stanley Anderson also contributed to his resignation. It later emerged that the conflict between the controversial coach and the players was another big contributor behind Nordlie's departure, his punishing training regime in the run-up to the 2008 season being cited as the main complaint. Nordlie, no stranger to controversy during his career, had reportedly "lost the dressing room" as early as autumn 2007.
Erland Johnsen and Frode Grodås stepped in as caretakers until a new head coach was hired. On 19 August 2008, the club announced that Henning Berg would take over as head coach on 1 January 2009, after leaving his post at Lyn. Berg's first task would be to rescue the team from relegation, a feat he accomplished in his very first match as head coach. LSK beat Rosenborg 4–2 in a classic encounter to secure their place in the Tippeligaen.
Honours
Runners-up:
Eliteserien (8): 1959–60, 1978, 1983, 1985, 1988, 1994, 1996, 2001
Norwegian Cup (8): 1953, 1955, 1958, 1980, 1986, 1992, 2005, 2022-23
First Division (4): 1953, 1962, 1963, 2020
Royal League (1): 2005–06
UEFA Intertoto Cup (1): 2006
European record
Summary
Pld = Matches played; W = Matches won; D = Matches drawn; L = Matches lost; GF = Goals for; GA = Goals against. Defunct competitions indicated in italics.
Records
Greatest home victory: 10–0 vs. Geithus, 4 October 1953
Greatest away victory: 7–0 vs. Stabæk, 20 March 2011
Heaviest home loss: 1–7 vs. Fredrikstad, 15 August 1954
Heaviest away loss: 1–7 vs. Odd, 7 June 1953
Highest attendance, Åråsen Stadion: 13,652 vs. Vålerenga, 16 May 2002
Highest average attendance, season: 9,018 in 2007
Most appearances, total: 720, Frode Kippe 1997–1998, 2002–2019
Most appearances, league: 441, Frode Kippe 1997–1998, 2002–2019
Most goals scored, total: 319, Tom Lund 1967–82
Most goals scored, league: 154, Tom Lund 1967–82
Most goals scored, season: 26, Tom Lund 1973
Players
Current squad
As of 7 September 2026
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
For season transfers, see List of Norwegian football transfers winter 2025–26, and List of Norwegian football transfers summer 2026.
Out on loan
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Supporters
Lillestrøm is one of the most supported clubs in Norway, and has the second biggest fan-club in Norway, as the official fan-club, Kanarifansen has more than 5,000 members. Kanarifansen was founded on 3 December 1992 and publishes its own magazines and has its own collection of clothing.
Rivalries
Lillestrøm's biggest rival is Vålerenga Fotball. The club also has a rivalry with Rosenborg. Their traditional local rival dated back to the clubs foundation is Strømmen IF.