Rueben Abuchi Chinyelu (born 30 September 2003) is a Nigerian basketball player who plays for the Florida Gators, and for the Nigeria national team.

Chinyelu played an important role as back-up center for Stade Malien, averaging 7.9 rebounds off the bench to help the team take the third place.

At the 2022 NBA Academy Games in Atlanta, he won the championship and led the tournament in rebounding, leading to interest from American college scouts.

[4] Chinyelu played at the FIBA U16 African Championship in 2019, averaging 12.3 points and a tournament-leading 17.6 rebounds per game, helping his team to a bronze medal in Cape Verde.

[5] On 27 August 2022, Chinyelu made his senior national team debut at age 18 in the qualifiers for the 2023 World Cup, scoring 3 points and grabbing 5 rebounds against Guinea.