| Mitsugu Yamamoto | |
| Fullname: | Mitsugu Yamamoto |
| Birth Date: | 1981 5, df=yes |
| Birth Place: | Japan |
| Height: | 1.74m (05.71feet) |
| Weight: | 114kg (251lb) |
| Position: | Prop / Hooker |
| Years1: | 2004-2011 |
| Clubs1: | Panasonic Wild Knights |
| Apps1: | 102 |
| Points1: | 135 |
| Years2: | 2012–2017 |
| Clubs2: | Canon Eagles |
| Apps2: | 48 |
| Points2: | 20 |
| Years3: | 2019– |
| Clubs3: | Coca-Cola Red Sparks |
| Apps3: | 7 |
| Points3: | 5 |
| Repyears1: | 2004–2007 |
| Repcaps1: | 10 |
| Reppoints1: | 15 |
| Clubupdate: | 6 May 2021 |
| Repupdate: | 6 May 2021 |
is a Japanese rugby union player who played as a prop or hooker. He's currently playing for Coca-Cola Red Sparks in Japan's domestic Top League.[1] He was named in the Japan squad for the 2007 Rugby World Cup, but withdrew from the tournament due to injury.[2] He made a further 10 appearances for Japan in his career, scoring three tries.[3]