Kajetan Duszyński

Kajetan Duszyński (born 12 May 1995) is a Polish sprinter specialising in the 400 metres. He represented his country in the 4 × 400 metres relay at the 2017 World Championships reaching the final, as well in the mixed 4 x 400 metres relay at the 2020 Summer Olympics where Poland won gold medal.

Personal bests
Outdoor Indoor
 * 200 metres – 22.02 (-0.3 m/s, Łódź 2017)
 * 400 metres – 44.92 (Bern 2021)
 * 400 metres – 47.84 (Spała 2016)