Lillehammer is a town and municipality in Innlandet county, Norway. It is part of the traditional region of Gudbrandsdal. The administrative centre of the municipality is the town of Lillehammer. As of 2018, the population of the town of Lillehammer was 28,034. The city centre is a late nineteenth-century concentration of wooden houses, which enjoys a picturesque location overlooking the northern part of lake Mjøsa and the river Lågen, surrounded by mountains. Lillehammer hosted the 1994 Winter Olympics and 2016 Winter Youth Olympics. Before Oslo's withdrawal from consideration, it was included as part of a bid to host events in the 2022 Winter Olympics if Oslo were to win the rights to hold the Games.

Attractions include:

• Maihaugen, centrally located in Lillehammer, is the largest open-air museum in Norway, with 185 buildings, mostly from Lillehammer and the valley of Gudbrandsdalen.
• Garmo Stave Church (built around 1150)
• The Norwegian Olympic Museum is the only museum in Northern Europe that shows the whole Olympic history from the ancient times and up to today, including all Summer and Winter games. The museum also houses the Norwegian Sports Hall of Fame and a special section about the Lillehammer `94 Olympic Wintergames. The Museum is located in the indoor museum at Maihaugen.
• Lillehammer Art Museum
• Hafjell (Ski resort 15 km (9 mi) from Lillehammer, host of slalom and super-G in the Olympic games 1994)
• Kvitfjell (Ski resort 55 km (34 mi) from Lillehammer, host of downhill in the Olympic games 1994)
• The PS Skibladner is the world's oldest paddle steamer in scheduled service, launched in 1856. Summer sailings around lake Mjøsa: Lillehammer, Moelv, Gjøvik, Hamar, and Eidsvoll.
• The ski jump at Lysgårdsbakkene.
• Sjusjøen is a skiing destination with forest and mountain terrain only 20 kilometres (12 miles) away (east) from the centre of Lillehammer in the municipality of Ringsaker.
• The Sambandets Utdanning og Kompetansesenter is an army unit located in the camp Jørstadmoen 3–4 km (2–2 miles) northwest of Lillehammer.
• The rock carvings at Drotten, Fåberg, west of Gudbrandsdalslågen about 1.5 km (0.9 mi) above Brunlaug bridge.
• The sculpture Mothership with Standing Matter by Antony Gormley in a pavilion by Snøhetta architects close to Lillehammer Station.

The official tourist information for the Lillehammer-region provides more information about activities and attractions in the region