7 selections by the Boston Bruins in the 2021 NHL Entry Draft.
| Year | Pick | Round | Team | Player | Pos | Amateur Club | League | Country |
|---|---|---|---|---|---|---|---|---|
| 2021 | 21 | 1 | Boston Bruins | Fabian Lysell | RW | Lulea | SWEDEN | SWE |
| 2021 | 85 | 3 | Boston Bruins | Brett Harrison | C | Oshawa | OHL | CAN |
| 2021 | 117 | 4 | Boston Bruins | Philip Svedeback | G | Vaxjo Jr. | SWEDEN-JR. | SWE |
| 2021 | 149 | 5 | Boston Bruins | Oskar Jellvik | LW | Djurgarden Jr. | SWEDEN-JR. | SWE |
| 2021 | 181 | 6 | Boston Bruins | Ryan Mast | D | Sarnia | OHL | USA |
| 2021 | 213 | 7 | Boston Bruins | Andre Gasseau | C | USA U-18 | NTDP | USA |
| 2021 | 217 | 7 | Boston Bruins | Ty Gallagher | D | USA U-18 | NTDP | USA |