Jan Lennart "Lill-Strimma" Svedberg (29 February 1944 – 29 July 1972) was a Swedish ice hockey defenceman. He played for Timrå IK and Brynäs IF. He also played on the Swedish national team during six IIHF World Championships and the 1968 Winter Olympics. Svedberg was named best defenceman at the 1970 World Championships.