Anthony George Douglas Mason (December 14, 1966 – February 28, 2015) was an American professional basketball player. In his 15-year career, he played with the New Jersey Nets, Denver Nuggets, New York Knicks, Charlotte Hornets, Milwaukee Bucks, and Miami Heat of the National Basketball Association. He averaged 10.8 points and 8.3 rebounds in his 13-year NBA career. Mason earned the NBA Sixth Man of the Year Award in 1995 and led the NBA in minutes played in the following two seasons. In 1997, he was named to the All-NBA Third Team and the NBA All-Defensive Second Team. He was selected to the 2001 NBA All-Star Game. Mason was a member of the 1993–94 New York Knicks team that reached the NBA Finals.

Mason played collegiately for Tennessee State University and also played professionally in Turkey, Venezuela, the Continental Basketball Association (CBA), and the United States Basketball League (USBL).

Mason attended Tennessee State University and was drafted by the Portland Trail Blazers in the third round of the 1988 NBA draft (53rd pick), but was cut shortly afterwards. He then played for the Efes Pilsen basketball club in Turkey and Marinos de Oriente in Venezuela and had brief NBA stints with the New Jersey Nets and the Denver Nuggets.^{[citation needed]}

In the 1990–1991 season, Mason played 26 games for the CBA's Tulsa Fast Breakers, with whom he averaged 29.9 points and 14.8 rebounds per game in his only season in the league.

Also in 1991, Mason played as a power forward for the Long Island Surf of the USBL. In his one season with the Surf, Mason was named to the All-USBL First Team, averaging 27.8 points and 11.2 rebounds per game, and he set a league record with 28 rebounds in a game. Ed Krinsky, general manager of the Surf, said, "I really believed he could play in the NBA. He was a huge guy with backcourt skills". Later that year, Mason was already on the New York Knicks' summer league roster, with Pat Riley as coach. In the year 2000, in celebration of the USBL's 15th anniversary, USBL fans voted on the "All-15 Team," a collection of the best USBL players from 1985 to 2000, many of whom went on to become renowned NBA stars, with Mason included among the 15.

Mason signed with the New York Knicks in the summer of 1991. Under coach Pat Riley, Mason blossomed in New York, where he became part of a strong frontcourt alongside Patrick Ewing, Charles Oakley and Charles Smith. On March 26, 1993, Mason scored a then career high 30 points, along with grabbing 16 rebounds, in a 105–95 win against the Los Angeles Lakers. In 1994, the Knicks reached the NBA Finals for the first time since 1973, but lost in seven games to the Hakeem Olajuwon-led Houston Rockets.

Mason won the NBA Sixth Man of the Year Award in 1995. He led the league in minutes played in 1995–96 with 3,457, setting a Knicks team record. In 1996, Mason and Brad Lohaus were traded to the Charlotte Hornets for Larry Johnson.

In Mason's Charlotte debut, on November 2, 1996, he recorded a double-double with 18 points and 15 rebounds in a 109–98 victory over the Toronto Raptors. On February 17, 1997, Mason scored a season-high 28 points (on 11 of 11 shooting from the field), grabbed 12 rebounds, and recorded 9 assists in a 124–110 win against the Orlando Magic. In the 1996–1997 season, Mason recorded career high averages in minutes played (43.1), points (16.2), rebounds (11.4) and assists (5.7). He led the league in minutes. Despite a strong personal showing in the first round of the playoffs, averaging 13 points and 12 rebounds a game, Mason and the Hornets were eliminated by his former team, the Knicks, in a sweep. Following the season, he was named to the All-NBA Third Team and to the NBA All-Defensive Second Team.