Isaiah Thomas has averaged 21.7 points, 6.1 assists and 3.0 rebounds in 26 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 |  | I. Thomas | 2014-15 |  BOS | 4 | 29.8 | 17.5 | 3.0 | 7.0 | 0.8 | 0.0 | 4.5 | 13.5 | 33.3 | 0.8 | 4.5 | 16.7 | 7.8 | 8.0 | 96.9 | 51.4 | 0.3 | 2.8 | 3.5 | 119 | 70 | 12 | 28 | 3 | 0 | 14 | 10 | -5 |
| 2 | | I. Thomas | 2015-16 | BOS | 6 | 36.7 | 24.2 | 3.0 | 5.0 | 0.7 | 0.8 | 7.8 | 19.8 | 39.5 | 2.2 | 7.7 | 28.3 | 6.3 | 7.8 | 80.9 | 51.9 | 0.3 | 2.7 | 2.3 | 220 | 145 | 18 | 30 | 4 | 5 | 14 | 18 | -36 |
| 3 | | I. Thomas | 2016-17 | BOS | 15 | 34.7 | 23.3 | 3.1 | 6.7 | 0.9 | 0.1 | 7.4 | 17.4 | 42.5 | 2.4 | 7.2 | 33.3 | 6.1 | 7.4 | 82.0 | 56.3 | 0.3 | 2.8 | 3.3 | 521 | 349 | 47 | 100 | 13 | 2 | 50 | 35 | -15 |
| 4 |  | I. Thomas | 2023-24 |  PHX | 1 | 4.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -5 | |
| Average | 6.5 | 33.2 | 21.7 | 3.0 | 6.1 | 0.8 | 0.3 | 6.8 | 16.8 | 40.4 | 2.0 | 6.7 | 30.1 | 6.2 | 7.3 | 84.2 | 54.3 | 0.3 | 2.7 | 3.0 | 216.0 | 141.0 | 19.3 | 39.5 | 5.0 | 1.8 | 19.8 | 15.8 | -15.3 | ||||
| Total | 26 | 33.2 | 21.7 | 3.0 | 6.1 | 0.8 | 0.3 | 6.8 | 16.8 | 40.4 | 2.0 | 6.7 | 30.1 | 6.2 | 7.3 | 84.2 | 54.3 | 0.3 | 2.7 | 3.0 | 864 | 564 | 77 | 158 | 20 | 7 | 79 | 63 | -61 |
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