Mark Anthony Aguirre is an American former basketball player in the National Basketball Association (NBA). Aguirre was chosen as the first overall pick of the 1981 NBA draft by the Dallas Mavericks after playing three years at DePaul University. Aguirre played in the NBA from 1981 until 1994 and won two championships with the Detroit Pistons after being traded to Detroit from Dallas in exchange for Adrian Dantley. Aguirre was a three-time All-Star for Dallas. Aguirre was inducted into the College Basketball Hall of Fame in 2016.

The 1981 NBA draft was the 35th annual draft of the National Basketball Association (NBA). The draft was held on June 9, 1981, before the 1981–82 season. The draft was broadcast in the United States on the USA Network. In this draft, 23 NBA teams took turns selecting amateur U.S. college basketball players and other eligible players, including international players. The first two picks in the draft belonged to the teams that finished last in each conference, with the order determined by a coin flip. The Dallas Mavericks won the coin flip and were awarded the first overall pick, while the Detroit Pistons were awarded the second pick. The remaining first-round picks and the subsequent rounds were assigned to teams in reverse order of their win–loss record in the previous season. A player who had finished his four-year college eligibility was automatically eligible for selection. Before the draft, five college underclassmen announced that they would leave college early and would be eligible for selection. The draft consisted of 10 rounds comprising the selection of 223 players.