Genki Saito (born 21 October 1998) is a Japanese para swimmer. He represented Japan at the 2020 and 2024 Summer Paralympics.
Saito represented Japan at the 2020 and 2024 Summer Paralympics. He competed at the 2022 Asian Para Games and won silver medals in the 400 metre freestyle and 200 metre individual medley and a bronze medal in the 100 metre backstroke S13 events. He competed at the 2025 World Para Swimming Championships and won bronze medals in the mixed 4 ÃÂ 100 metre medley relay 49 pts and mixed 4 ÃÂ 100 metre freestyle relay 49pts events.