Dallas Mavericks most rebounds in a playoff game

Dirk Nowitzki holds the top spot for the Mavericks with 21 rebounds in a single playoff game, achieved in Game 6 of the 2006 Western Conference Semifinals against the Spurs, where 19 of his rebounds were defensive; despite losing that game, the Mavericks won the series in seven games, and Nowitzki averaged 27.0 points and 11.7 rebounds over 23 playoff games that season.

Tyson Chandler ranks second with 20 rebounds in Game 5 of the 2011 Western Conference first round against the Trail Blazers, contributing to a Mavericks win by limiting the Trail Blazers to 82 points over 35 minutes, which helped the team advance after winning Game 6.

James Donaldson also recorded 20 rebounds in Game 3 of a series against the Jazz, adding 17 points and three blocks in 46 minutes during a narrow loss, but the Mavericks bounced back to win Game 4 and progress to the next round.

Dirk Nowitzki appears again with 20 rebounds in Game 3 of the 2003 Western Conference Semifinals against the Kings, a double-overtime victory where he played 58 minutes and scored 25 points, ultimately helping the Mavericks win the series in seven games.

Roy Tarpley rounds out the list with 20 rebounds in Game 1 of the 1988 Western Conference Finals against the Lakers, coming off the bench with 18 points and six assists in 36 minutes, and he repeated this feat in Game 3 with another 20-rebound performance, including 21 points, though the Mavericks lost the series in seven games.