Charles James Elleby (born June 16, 2000) is an American professional basketball player for MKE Ankaragücü of the Türkiye Basketbol Ligi (TBL).

[4][5] Elleby averaged 14.7 points and 7.1 rebounds per game as a true freshman and was named to the Pac-12 Conference's All-Freshman team.

[8] In wake of the firing of WSU head coach Ernie Kent, Elleby initially declared for the 2019 NBA draft but did not hire an agent and ultimately decided to return to Washington State for his sophomore season.

[9][10][11] Elleby entered his sophomore season as a preseason first team All-Pac-12 selection and was named to the Julius Erving and Wooden Award watchlists.

[13] Elleby scored a career-high 27 points with 12 rebounds and hit a go-ahead three-pointer with four seconds left to beat Arizona State 67–65.

[15] Elleby became the third-fastest player in Cougars' history to score 1,000 career points during a 21-point performance in a 78–74 win over Washington to complete a regular season sweep of the Huskies.