Naohide Yamaguchi (å±±å£ å°Âç§Â, Yamaguchi Naohide, born 28 October 2000) is a Japanese Paralympic swimmer. He represented Japan at the 2020 and 2024 Summer Paralympics.
Yamaguchi represented Japan in the men's 100 metre breaststroke SB14 event at the 2020 Summer Paralympics and won a gold medal.