Jan Karlsson

Jan Karlsson may refer to:
 * Jan O. Karlsson (1939–2016), Swedish politician
 * Jan Karlsson (cyclist) (born 1966), Swedish Olympic cyclist
 * Jan Karlsson (footballer) (born 1940), Swedish footballer that has played for Djurgården
 * Jan Karlsson (wrestler) (born 1945), Swedish Olympic wrestler
 * Jan Karlsson (swimmer), Swedish swimmer in 1991 European Sprint Swimming Championships