2023–24 Marsh One-Day Cup
| Dates | 24 September 2023 – 25 February 2024 |
|---|---|
| Administrator(s) | Cricket Australia |
| Cricket format | List A |
| Tournament format(s) | Round-robin tournament |
| Host(s) | Adelaide Brisbane Hobart Launceston Mackay Melbourne Perth Sydney |
| Champions | Western Australia (17th title) |
| Participants | 6 |
| Matches | 22 |
| Most runs | Daniel Hughes (NSW) (453) |
| Most wickets | Andrew Tye (WA) (15) |
The 2023–24 Marsh One-Day Cup is the 55th season of the official List A domestic cricket competition played in Australia. The tournament runs from 24 September 2023 to 25 February 2024. Western Australia are the defending champions.
On 29 June 2023, Cricket Australia confirmed the schedule of the tournament, with the final played on 25 February 2024.
In the final, Western Australia beat New South Wales by 5 wickets to win their 17th one-day title.