Sugihara Aiko (杉原 愛子, born 19 September 1999) is a Japanese female artistic gymnast. She is the 2015 Asian team and all-around champion and uneven bars and floor exercise silver medalist. She is also the 2019 Summer Universiade champion with the team and silver medalist on the floor exercise. She represented Japan at the 2016 and 2020 Olympic Games.