9 selections by the Montréal Canadiens in the 2021 NHL Entry Draft.
| Year | Pick | Round | Team | Player | Pos | Amateur Club | League | Country |
|---|---|---|---|---|---|---|---|---|
| 2021 | 31 | 1 | Montréal Canadiens | Logan Mailloux | D | London | GOJHL | CAN |
| 2021 | 63 | 2 | Montréal Canadiens | Riley Kidney | C | Acadie-Bathurst | QMJHL | CAN |
| 2021 | 64 | 2 | Montréal Canadiens | Oliver Kapanen | C | Kalpa Jr. | FINLAND-JR. | SWE |
| 2021 | 87 | 3 | Montréal Canadiens | Dmitri Kostenko | D | Togliatti | RUSSIA-2 | RUS |
| 2021 | 113 | 4 | Montréal Canadiens | William Trudeau | D | Charlottetown | QMJHL | CAN |
| 2021 | 142 | 5 | Montréal Canadiens | Daniil Sobolev | D | Spartak 2 | RUSSIA-JR. | RUS |
| 2021 | 150 | 5 | Montréal Canadiens | Joshua Roy | RW | Sherbrooke | QMJHL | CAN |
| 2021 | 191 | 6 | Montréal Canadiens | Xavier Simoneau | C | Drummondville | QMJHL | CAN |
| 2021 | 214 | 7 | Montréal Canadiens | Joe Vrbetic | G | North Bay | OHL | CAN |