| NAME | 3P% | SEASON | TM | GP | MPG | PPG | RPG | APG | SPG | BPG | FGM | FGA | FG% | 3PM | 3PA | FTM | FTA | FT% | TS% | OREB | DREB | TPG | MIN | PTS | REB | AST | STL | BLK | TOV | PF | +/- | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Grant Williams | 41.1 | 2021-22 |  BOS | 77 | 24.4 | 7.8 | 3.6 | 1.0 | 0.5 | 0.7 | 2.7 | 5.6 | 47.5 | 1.4 | 3.4 | 1.1 | 1.2 | 90.5 | 63.5 | 0.8 | 2.7 | 0.8 | 1,875 | 602 | 274 | 78 | 38 | 57 | 62 | 186 | +145 |
| Grant Williams | 39.5 | 2022-23 | BOS | 79 | 25.9 | 8.1 | 4.6 | 1.7 | 0.5 | 0.4 | 2.7 | 6.0 | 45.4 | 1.5 | 3.7 | 1.2 | 1.5 | 77.0 | 60.5 | 1.1 | 3.5 | 1.0 | 2,045 | 641 | 363 | 131 | 41 | 31 | 82 | 192 | +206 |
 | Grant Williams | 37.5 | 2023-24 | TOT | 76 | 28.0 | 10.3 | 4.2 | 2.3 | 0.6 | 0.5 | 3.6 | 8.0 | 45.6 | 1.7 | 4.4 | 1.4 | 1.8 | 75.7 | 58.8 | 1.1 | 3.1 | 1.4 | 2,130 | 784 | 318 | 174 | 44 | 39 | 109 | 226 | -244 |
| Grant Williams | 37.2 | 2020-21 | BOS | 63 | 18.1 | 4.7 | 2.8 | 1.0 | 0.5 | 0.4 | 1.7 | 3.9 | 43.7 | 0.8 | 2.0 | 0.5 | 0.8 | 58.8 | 54.6 | 0.8 | 2.1 | 0.9 | 1,138 | 294 | 178 | 64 | 32 | 24 | 56 | 161 | -48 |
| Grant Williams | 36.5 | 2024-25 |  CHA | 16 | 29.9 | 10.4 | 5.1 | 2.3 | 1.1 | 0.8 | 3.4 | 7.7 | 43.9 | 1.7 | 4.6 | 1.9 | 2.3 | 83.8 | 59.6 | 1.1 | 4.0 | 1.8 | 479 | 166 | 82 | 37 | 18 | 13 | 28 | 46 | +11 |
| Grant Williams | 25.0 | 2019-20 | BOS | 69 | 15.1 | 3.4 | 2.6 | 1.0 | 0.4 | 0.5 | 1.3 | 3.1 | 41.2 | 0.3 | 1.4 | 0.6 | 0.8 | 72.2 | 50.5 | 0.9 | 1.7 | 0.7 | 1,043 | 237 | 178 | 68 | 30 | 36 | 50 | 163 | +131 |
StatMuse has season-level data for three-point percentage going back to the 1979-80 season.