Prisca Chesang (born 7 August 2003) is a Ugandan middle- and long-distance runner. She won the gold medal in the 5000 metres at the 2022 World Athletics Under-20 Championships and the silver medal in the 5000 metres and the bronze medal in the 3000 metres at the 2021 World Athletics Under-20 Championships (after Medina Eisa and Melknat Wudu were given a two-year ban for age falsification violations and stripped of their medals in those events).
Chesang represented Uganda at the 2020 Tokyo Olympics, competing in the women's 5000 metres event.
She competed in the 3000 metres at the 2021 World Athletics Under-20 Championships, winning the bronze medal with a personal best time of 9:03.44 (originally finishing fourth, however Melknat Wudu was given a two-year ban for age falsification violations and stripped of her bronze medal). She competed also in the 5000 metres at the 2021 World Athletics Under-20 Championships and won the silver medal (originally finished third, however Melknat Wudu was given a two-year ban for age falsification violations and stripped of her silver medal).
Chesang won the gold medal in the 5000 metres at the 2022 World Athletics Under-20 Championships (originally finished second, however Medina Eisa was given a two-year ban for age falsification violations and stripped of her gold medal). The 19-year-old won the 2022 San Silvestre Vallecana road 10 km (not eligible for record purposes) in a time of 30:19, beating Francine Niyonsaba, fifth in the 10,000 m at the Tokyo Games, and Beatrice Chepkoech, world record holder in the 3000 m steeplechase.
In January 2024 Chesang received a two year competition ban after testing positive for furosemide in September 2023. The ban is set to run from 6 December 2023.