| Sochi | |
| Round No: | 6 |
| Season No: | 8 |
| Year: | 2021 |
| Country: | Russia |
| Location: | Sochi Autodrom, Sochi, Russia |
| Course: | Permanent Circuit |
| Course Mi: | 3.634 |
| Course Km: | 5.848 |
| Type R1: | Sprint race 1 |
| Date R1: | 25 September |
| Laps R1: | 18 |
| First Driver Country R1: | GBR |
| First Driver R1: | Dan Ticktum |
| First Team R1: | Carlin |
| Second Driver Country R1: | EST |
| Second Driver R1: | Jüri Vips |
| Second Team R1: | Hitech Grand Prix |
| Third Driver Country R1: | RUS |
| Third Driver R1: | Robert Shwartzman |
| Third Team R1: | Prema Racing |
| Fast Driver Country R1: | FRA |
| Fast Driver R1: | Théo Pourchaire |
| Fast Team R1: | ART Grand Prix |
| Fast Time R1: | 1:50.669 |
| Fast Lap R1: | lap 16 |
| Type R2: | Sprint race 2 |
| Date R2: | 25 September |
| Laps R2: | 18 |
| First Driver R2: | Race cancelled |
| First Team R2: | N/A |
| Second Driver R2: | Race cancelled |
| Second Team R2: | N/A |
| Third Driver R2: | Race cancelled |
| Third Team R2: | N/A |
| Fast Driver R2: | Race cancelled |
| Fast Team R2: | N/A |
| Fast Time R2: | NC |
| Type R3: | Feature race |
| Date R3: | 26 September |
| Laps R3: | 28 |
| Pole Driver Country R3: | AUS |
| Pole Driver R3: | Oscar Piastri |
| Pole Team R3: | Prema Racing |
| Pole Time R3: | 1:47.465 |
| First Driver Country R3: | AUS |
| First Driver R3: | Oscar Piastri |
| First Team R3: | Prema Racing |
| Second Driver Country R3: | FRA |
| Second Driver R3: | Théo Pourchaire |
| Second Team R3: | ART Grand Prix |
| Third Driver Country R3: | IND |
| Third Driver R3: | Jehan Daruvala |
| Third Team R3: | Carlin |
| Fast Driver Country R3: | NZL |
| Fast Driver R3: | Liam Lawson |
| Fast Team R3: | Hitech Grand Prix |
| Fast Time R3: | 1:50.917 |
| Fast Lap R3: | lap 20 |
The 2021 Sochi Formula 2 round the sixth round of the 2021 Formula 2 Championship and took place at the Sochi Autodrom from 24 to 25 September. It ran in support of the 2021 Russian Grand Prix and was planned to feature three races. However, the second sprint race was cancelled amid bad weather conditions. This is the first cancelled Formula 2 race since the cancellation of the sprint race during the 2019 Spa-Francorchamps Formula 2 round due to Anthoine Hubert's fatal accident.