Sven-Åke Lundbäck (born 26 January 1948) is a former Swedish cross-country skier.

Domestically he collected 10 Swedish individual titles, clean-sweeping the 15, 30 and 50 km gold medals in 1976 and 1978.

[2] Lundbäck took up competitive skiing in 1964, when his family moved from Töre to Luleå.

[1] After retiring from competitions he received a degree in physical education from the Swedish School of Sport and Health Sciences in Stockholm in 1984.

In protest to this decision his teammate Thomas Wassberg refused to accept his Svenska Dagbladet medal in 1980.