Xavier James Silas (born January 22, 1988)[1] is an American former professional basketball player and current head coach for the Mets de Guaynabo of the Baloncesto Superior Nacional (BSN), the highest professional basketball league in Puerto Rico.

As a senior for Northern Illinois in 2010–11, Silas was named to the All-Mid-American Conference first team after he averaged 22.3 points (1st in the MAC) and 4.6 rebounds per game.

[14] On November 4, 2013, the Maine Red Claws traded Silas' rights to the Fort Wayne Mad Ants.

[26] That night, he made his debut for the Jam in a 105–100 loss to the Austin Spurs, recording six points in 19 minutes off the bench.

[27] After being inactive for seven games, Silas made his debut with the Northern Arizona Suns (the new name for the Bakersfield Jam) on December 3, 2016, against the Reno Bighorns.

After concluding his season with the BIG3 (a 3-on-3 basketball league created by Ice Cube), Silas returned to the Northern Arizona Suns once again on October 24, 2017.

Silas played three games with Tri State before being traded to the Ball Hogs on July 13, 2017, in exchange for Dominic McGuire.

For the 2019–20 season, Silas joined the coaching staff for the NBA G League's Delaware Blue Coats as an assistant.

[34] In the 2024-25 basketball season, Silas is the Associate Head Coach at Virginia Military Institute.

He also played six seasons in the NBA for the San Antonio Spurs after the ABA–NBA merger and one for the Cleveland Cavaliers, averaging 14.2 points per game.