Kalendar Perlumbaan Litar Antarabangsa Okayama 2019
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 31 Mac - 31 Mac | Porsche Sprint Challenge Jepun Selesai | Round 1 & 2 | |
| 13 April - 14 April | PCCJ - Porsche Carrera Cup Jepun Selesai | R01 & R02 | |
| 13 April - 14 April | Kejuaraan Jepun F4 Selesai | R1/R2 | |
| 9 Jun - 9 Jun | Cabaran Mini Jepun Selesai | Round 1 | |
| 28 September - 29 September | Formula Super Selesai | Round 6 | |
| 28 September - 29 September | Siri Kereta Jelajah TCR Jepun Selesai | Round 4 | |
| 9 November - 10 November | Siri Super Taikyu Selesai | Round 6 |