| Ryuzo Kitajima | |
| Birth Date: | 23 October 1985 |
| Birth Place: | Kobe, Japan |
| Show-Medals: | yes |
is a Japanese Olympic eventing rider.[1] He participated at the 2016 Summer Olympics in Rio de Janeiro where he withdrew during the individual competition. He participated at the 2024 Summer Olympics on Cekatinka. After Cekatina was held at the vet inspection on show jumping day, Kitajima withdrew from the competition.[2]
Kitajima also competed at the 2014 Asian Games. He won a silver medal in the team eventing and placed 6th individually.