The winner of the NBA Defensive Player of the Year award for the 2024-25 season is Evan Mobley of the Cleveland Cavaliers. Mobley, a forward-center, received the Hakeem Olajuwon Trophy as the Defensive Player of the Year, becoming the first player in Cavaliers history to earn this honor. He is also one of only five players in NBA history to win the award before the age of 24. During the season, Mobley ranked sixth in blocked shots per game (1.59) and 13th in defensive rebounds per game (7.0), and he contested 10.4 shots per game, the third most among qualifying players. He finished ahead of Dyson Daniels and Draymond Green in the voting, accumulating 285 points from a panel of 100 voters