Xavier Cooks (born 19 August 1995) is an Australian professional basketball player for the Washington Wizards of the National Basketball Association (NBA). He played college basketball for the Winthrop Eagles, where he was named the 2018 Big South Conference Player of the Year. In 2022, he helped the Sydney Kings win the NBL championship while earning Grand Final MVP honours. In 2023, he was named NBL MVP and won his second straight NBL championship.