Kjell-Erik Bertil Ståhl (born 17 February 1946) is a retired long-distance runner from Sweden.
He represented his native country twice at the Summer Olympics (1980 and 1984) in the men's marathon, finishing in 19th place in Moscow.
He holds the Swedish marathon record with a time of 2:10:38, set in 1983.
He holds the Single Age World Record in the marathon for men who are 49 years of age, at 2:19:47, set on 10 June 1995 in Stockholm (source: Association of Road Racing Statisticians, updated 1 Nov 2019).
In 2007, the German issue of Runners World featured an article about him.