Fuji International Speedway Circuit 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| January 30 - January 30 | KYOJO CUP Finished | Round 1 | |
| January 30 - January 30 | Inter Proto Series Finished | Round 1 | |
| February 13 - February 13 | Eco Car Cup Finished | Round 1 | |
| April 2 - April 4 | TCR Japan Touring Car Series Finished | Round 1 | |
| April 3 - April 4 | Super Formula Finished | Round 1 | |
| May 2 - May 4 | F4 Japanese Championship Finished | R1/R2 | |
| May 3 - May 4 | PCCJ - Porsche Carrera Cup Japan Finished | R03 & R04 | |
| May 8 - May 8 | Mini Challenge Japan Finished | Round 1 | |
| May 9 - May 9 | Lotus Cup Japan Finished | Round 1 | |
| May 21 - May 23 | Super Taikyu Series Finished | Round 3 | |
| June 5 - June 6 | KYOJO CUP Finished | Round 2 | |
| June 5 - June 6 | Inter Proto Series Finished | Round 2 | |
| September 24 - September 26 | FIA World Endurance Championship Finished | Round 9 | 6 Hours of Fuji |
| September 25 - September 26 | KYOJO CUP Finished | Round 4 | |
| September 25 - September 26 | Formula Regional Japanese Championship Finished | Round 4 | |
| September 25 - September 26 | Inter Proto Series Finished | Round 4 | |
| October 17 - October 17 | Porsche Sprint Challenge Japan Finished | Round 7 & 8 | |
| October 31 - October 31 | Lotus Cup Japan Finished | Round 5 | Japan Lotus Day |
| November 27 - November 28 | F4 Japanese Championship Finished | R11/R12 | |
| December 11 - December 12 | KYOJO CUP Finished | Round 5 | |
| December 11 - December 12 | Mini Challenge Japan Finished | Round 5 | |
| December 11 - December 12 | Inter Proto Series Finished | Round 5 |