Marvin Williams averaged 6.7 points, 4.3 rebounds and 0.8 assists in 59 games in the playoffs in his career.
| NAME | SEASON | TM | GP | MPG | PPG | RPG | APG | SPG | BPG | FGM | FGA | FG% | 3PM | 3PA | 3P% | FTM | FTA | FT% | TS% | OREB | DREB | TPG | MIN | PTS | REB | AST | STL | BLK | TOV | PF | +/- | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Williams | 2007-08 |  ATL | 7 | 28.4 | 11.4 | 4.0 | 0.7 | 0.3 | 0.4 | 3.4 | 8.3 | 41.4 | 0.0 | 0.0 | 4.6 | 5.1 | 88.9 | 54.2 | 1.6 | 2.4 | 1.9 | 199 | 80 | 28 | 5 | 2 | 3 | 13 | 21 | -103 | |
| 2 | | M. Williams | 2008-09 | ATL | 6 | 16.2 | 5.0 | 1.5 | 1.0 | 0.8 | 0.3 | 1.7 | 4.8 | 34.5 | 0.2 | 1.0 | 16.7 | 1.5 | 2.2 | 69.2 | 43.2 | 0.5 | 1.0 | 1.0 | 97 | 30 | 9 | 6 | 5 | 2 | 6 | 8 | -15 |
| 3 | | M. Williams | 2009-10 | ATL | 11 | 31.4 | 8.4 | 5.7 | 0.7 | 0.5 | 0.5 | 2.8 | 7.2 | 39.2 | 0.1 | 0.2 | 50.0 | 2.6 | 2.9 | 90.6 | 49.4 | 2.1 | 3.6 | 0.5 | 345 | 92 | 63 | 8 | 6 | 5 | 5 | 20 | -65 |
| 4 | | M. Williams | 2010-11 | ATL | 12 | 18.0 | 4.8 | 2.3 | 0.5 | 0.8 | 0.6 | 1.8 | 4.7 | 39.3 | 0.3 | 0.9 | 27.3 | 0.8 | 1.1 | 76.9 | 46.2 | 0.8 | 1.4 | 1.0 | 216 | 57 | 27 | 6 | 9 | 7 | 12 | 18 | -31 |
| 5 | | M. Williams | 2011-12 | ATL | 6 | 24.2 | 7.8 | 5.5 | 0.8 | 0.5 | 0.3 | 2.7 | 7.5 | 35.6 | 1.3 | 2.7 | 50.0 | 1.2 | 1.5 | 77.8 | 48.0 | 0.8 | 4.7 | 0.5 | 145 | 47 | 33 | 5 | 3 | 2 | 3 | 9 | -18 |
| 6 |  | M. Williams | 2015-16 |  CHA | 7 | 32.6 | 5.1 | 6.9 | 0.9 | 0.9 | 0.4 | 2.0 | 7.3 | 27.5 | 0.9 | 2.4 | 35.3 | 0.3 | 0.6 | 50.0 | 34.1 | 1.0 | 5.9 | 0.3 | 228 | 36 | 48 | 6 | 6 | 3 | 2 | 11 | -67 |
| 7 |  | M. Williams | 2019-20 |  MIL | 10 | 17.9 | 5.5 | 4.8 | 0.9 | 0.5 | 0.3 | 2.1 | 4.7 | 44.7 | 1.0 | 2.3 | 43.5 | 0.3 | 0.3 | 100.0 | 56.9 | 1.3 | 3.5 | 0.3 | 179 | 55 | 48 | 9 | 5 | 3 | 3 | 14 | +15 |
| Average | 8.4 | 23.9 | 6.7 | 4.3 | 0.8 | 0.6 | 0.4 | 2.3 | 6.2 | 37.8 | 0.5 | 1.3 | 38.7 | 1.6 | 1.9 | 83.6 | 48.0 | 1.2 | 3.1 | 0.7 | 201.3 | 56.7 | 36.6 | 6.4 | 5.1 | 3.6 | 6.3 | 14.4 | -40.6 | ||||
| Total | 59 | 23.9 | 6.7 | 4.3 | 0.8 | 0.6 | 0.4 | 2.3 | 6.2 | 37.8 | 0.5 | 1.3 | 38.7 | 1.6 | 1.9 | 83.6 | 48.0 | 1.2 | 3.1 | 0.7 | 1,409 | 397 | 256 | 45 | 36 | 25 | 44 | 101 | -284 |
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