The NABC Defensive Player of the Year is a college basketball award given annually by the National Association of Basketball Coaches (NABC) to recognize the top men's defensive player in NCAA Division I competition. It has been given since 1987 and was previously known as the Henry Iba Corinthian Award, named after Naismith Hall of Fame coach Henry Iba, who coached at Oklahoma State from 1934 to 1970.