*Club domestic league appearances and goals, correct as of 9:30, 15 Dec 2021 (UTC)
Rio Sakuma (佐久間 理央, Sakuma Rio, born 14 April 1997) is a Japanese professional footballer who currently plays as a centre-back or right-back for Singapore Premier League Club Geylang International FC, whom his the vice-captain.
On 4 January 2020, Rio joined Albirex Niigata Singapore, a satellite team of his former club, Albirex Niigata. On 8 November 2020, he scored his first goal for the club against Hougang United in a 4-0 home win. Rio won his first ever piece of silverware en route to helping the club to win the 2020 Singapore Premier League title.