Royal Terence Ivey (/rɔɪˈæl/ roy-AL;[1] born December 20, 1981) is an American professional basketball coach and former player who is an assistant coach for the Houston Rockets of the National Basketball Association (NBA). He is also the head coach of the South Sudan national team, who he coached at the 2023 World Cup and 2024 Olympics. He played college basketball for the Texas Longhorns before spending 10 years in the NBA.