Piotr Kosewicz (born 31 May 1974) is a Polish Paralympic athlete.

[2] He made his Paralympic debut as a biathlete representing Poland at the 1998 Winter Paralympics and competed in LW10 sitting pursuit event.

He also represented Poland at the 2002 Winter Paralympics and competed in LW10 sitting pursuit event.

[3] He qualified to compete at the 2020 Summer Paralympics after claiming a silver medal in men's discus throw T52 event at the 2019 World Para Athletics Championships.

He clinched gold medal in the men's discus throw during the Tokyo Olympics.