Szymon Kielan

Szymon Kielan (born 21 November 2002) is a Polish tennis player.

Kielan has a career high ATP singles ranking of 601 achieved on 27 February 2023. He also has a career high doubles ranking of 290 achieved on 24 July 2023.

Kielan has won 1 ATP Challenger doubles title at the 2023 Tampere Open with Piotr Matuszewski.