William Dalen Clyburn (born May 17, 1990) is an American professional basketball player for Virtus Bologna of the Lega Basket Serie A (LBA) and the EuroLeague.

[1] In 2010, he transferred to the University of Utah, where he earned Second-Team Mountain West Conference honors and First-Team NABC All-District 17 accolades after leading the team in scoring (17.1) and rebounding (7.8) per game.

[5] Clyburn helped Ulm reach the 2014 Eurocup Round of 16, as well as the 2014 German Cup Finals, where they eventually lost to Alba Berlin.

[9] On May 1, 2016, Clyburn was named Israeli League Player of the Month after averaging 25.6 points, 10.6 rebounds and 4 assists in five games played in April.

On June 20, 2017, Clyburn signed a two-year contract with the Russian team CSKA Moscow of the VTB United League and the EuroLeague.

[citation needed] On January 17, 2019, Clyburn recorded 20 points, shooting 6-of-13 from the field, along with eight rebounds and two steals, leading CSKA to a 77–70 comeback win over FC Bayern Munich.

[19] On June 7, 2022, Clyburn signed a two-year contract with the Turkish club Anadolu Efes of the Basketball Super League and the EuroLeague, the back-to-back European champions.

[21] Clyburn's younger brother, Kris (born April 20, 1996) is also a professional basketball player, who currently plays for Gravelines in the French Pro A league.