The 2026 SRO Japan Cup will be the fifth season of the SRO Japan Cup, an auto racing series for grand tourer cars in Japan, co-promoted by the SRO Motorsports Group and Team Asia One GT Management. The races are contested with GT3-spec, GTC-spec and GT4-spec cars with hopes of GT2-spec entries.
| Round | Circuit | Date |
|---|---|---|
| 1 | | 16–17 May |
| 2 | | 11–12 July |
| 3 | | 29–30 August |
| 4 | | 12–13 September |
| Sources: [1] [2] | ||
|
| |||||||||||||||||||||||||||||||||||||||||