Xavier Misael Castañeda (born March 26, 2000), sometimes spelled Castaneda, is an American-born naturalized Bosnian professional basketball player for Unicaja of the Spanish Liga ACB and the Champions League. Standing 1.84 meters (6 feet) tall, he plays as a point guard and shooting guard.
College career.
Castañeda played three seasons with the South Florida Bulls, where he averaged 5.5 points, 2.0 rebounds, and 1.9 assists per game. On March 18, 2021, he entered the NCAA transfer portal and joined the Akron Zips in May. He played two more seasons at Akron, averaging 17.5 points, 4.0 rebounds, and 2.6 assists per game. In his final season, he averaged 21.7 points and 4.3 rebounds per game and was named to the All-MAC First Team. He led the conference in scoring, triple-doubles, and three-point percentage (39.0%).
Professional career.
After going undrafted in the 2023 NBA draft, Castañeda joined the Los Angeles Clippers for the NBA Summer League. He signed his first professional contract with Lavrio of the Greek Basketball League, where he averaged 15.1 points, 3.3 rebounds, and 2.5 assists in 24.4 minutes per game.
On June 1, 2024, he signed with JL Bourg Basket of the French LNB Élite. In November 2024, he was selected to participate in the LNB All-Star Game.
On June 21, 2025, he signed with Unicaja of the Spanish Liga ACB.
National team career.
In November 2024, Castañeda obtained Bosnian nationality. Shortly after, he was called up to play for the Bosnia and Herzegovina men's national basketball team, making his debut in a match against France.