John "Trey" McKenney III is an American college basketball player for the Michigan Wolverines. He represented the United States national team at the 2024 FIBA Under-18 AmeriCup, winning a gold medal. In 2024, McKenney also won a Michigan High School Athletic Association (MHSAA) state championship with St. Mary's Preparatory. In 2025, he was the Michigan Associated Press (AP) Division 1 Player of the Year for a third consecutive season, a McDonald's All-American and Mr. Basketball of Michigan.