2025–26 CSA One-Day Cup
| Dates | 21 February – 29 March 2026 |
|---|---|
| Administrator | Cricket South Africa |
| Cricket format | List A |
| Tournament format(s) | Round-robin and knockout |
| Participants | 16 |
| Matches | 60 |
The 2025–26 CSA One-Day Cup is the 46th season of CSA One-Day Cup, the List A cricket tournament organized by Cricket South Africa in South Africa. The tournament is taking place from 21 February to 29 March 2026. Dolphins (Division 1) were the defending champions.