Donald D. Maestri Jr. (born October 25, 1946) is an American college basketball coach who was the head men's basketball coach at Troy University from 1982 to 2013. Prior to accepting this position, Maestri was an assistant coach at Mississippi State University from 1979 to 1980 and at the University of Alabama from 1980 to 1982. Maestri coached the Trojans to a record of 500–404, one NCAA basketball tournament, five regular season conference titles, and one conference tournament title over the course of 26 seasons at Troy. He has been named coach of the year in the East Coast Conference (1994), the Summit League (1997, then known as the Mid-Continent Conference), Atlantic Sun Conference (2000 and 2004) and the Sun Belt Conference (2009)