| Chang Ho Ahn | |
| Fullname: | Chang Ho Ahn |
| Birth Date: | 1997 11, df=yes |
| Birth Place: | Japan |
| Height: | 1.77m (05.81feet) |
| Weight: | 108kg (238lb) |
| Position: | Prop |
| Currentclub: | Yokohama Canon Eagles |
| Years1: | 2020 |
| Apps1: | 0 |
| Points1: | 0 |
| Years2: | 2021–present |
| Clubs2: | Yokohama Canon Eagles |
| Apps2: | 7 |
| Points2: | 0 |
| Repyears1: | 2017 |
| Repteam1: | Japan U20 |
| Repcaps1: | 5 |
| Reppoints1: | 10 |
| Clubupdate: | 13 October 2021 |
| Repupdate: | 13 October 2021 |
is a Japanese rugby union player who plays as a prop. He currently plays for Yokohama Canon Eagles in Japan's domestic Japan Rugby League One.[1] [2] He was signed to the Sunwolves squad for the 2020 Super Rugby season, but did not make an appearance for the side.[3] [4]