| Yasuo Yamaji | |
| Birth Date: | 1985 2, df=yes |
| Birth Place: | Tokyo, Japan |
| Height: | 1.8m (05.9feet) |
| Weight: | 108kg (238lb) |
| School: | Nagasaki Nanshan High School |
| University: | Kanagawa University |
| Position: | Prop |
| Currentclub: | / Canon Eagles |
| Years1: | 2012− |
| Clubs1: | Canon Eagles |
| Apps1: | 41 |
| Points1: | 0 |
| Years2: | 2017–present |
| Apps2: | 0 |
| Points2: | 0 |
| Repyears1: | 2016− |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
| Clubupdate: | 15 January 2017 |
| Repupdate: | 13 November 2016 |
is a Japanese international rugby union player who plays as a prop.[1] He currently plays for the in Super Rugby and Canon Eagles in Japan's domestic Top League.[2] [3]
A late bloomer, Yamaji joined the Canon Eagles ahead of the 2012 Top League season. For the first four years of his career with the Eagles, he was largely a bit part player making substitute appearances, however in 2016 he finally established himself as a regular in the starting XV.[4]
At the age of 31, Yamaji received his first call-up to Japan's senior squad ahead of the 2016 end-of-year rugby union internationals. He debuted as a second-half replacement in Japan's 28–22 victory over in Tbilisi on 12 November 2016.[1]