| Japan at the 2023 World Athletics Championships | |
|---|---|
 | |
| WA code | JPN |
| in Budapest, Hungary 19 August 2023 – 27 August 2023 | |
| Competitors | 76 (48 men and 28 women) |
| Medals Ranked 15th |
|
| World Athletics Championships appearances | |
Japan competed at the 2023 World Athletics Championships in Budapest, Hungary, from 19 to 27 August 2023.