| 2023 Japan Cup | |
| Series: | 2023 UCI ProSeries |
| Date: | 15 October 2023 |
| Stages: | 1 |
| Distance: | 133.9 |
| Unit: | km |
| Time: | 3h 28' 22" |
| First: | Rui Costa |
| First Nat: | POR |
| Second: | Felix Engelhardt |
| Second Nat: | GER |
| Third: | Guillaume Martin |
| Third Nat: | FRA |
The 2023 Japan Cup was the 30th edition of the Japan Cup single-day cycling race. It was held on 15 October 2023, over a distance of 133.9 km, starting and finishing in Utsunomiya.
It was shortened from the planned 164.8 km due to the bad weather condition.[1]
The race was won by Rui Costa of .[2]
Seven UCI WorldTeams, three UCI ProTeams, eight UCI Continental teams and the Japanese national team made up the nineteen teams that participated in the race.[3]
UCI WorldTeams
UCI ProTeams
UCI Continental teams
National team