Sherman Guity (born 3 December 1996) is a Costa Rican Paralympic athlete. He won the silver medal in the men's 100 metres T64 event at the 2020 Summer Paralympics held in Tokyo, Japan. This was the first medal won by a competitor representing Costa Rica at the Paralympics. He also won the gold medal in the men's 200 metres T64 event. He was banned from 23 July 2019 to 22 July 2021 after testing positive for a banned substance. This meant that he could not compete at the 2019 Parapan American Games in Lima, Peru and the 2019 World Para Athletics Championships in Dubai, United Arab Emirates.