| Ryuhei Arita | |
| Birth Date: | 21 March 1989 |
| Birth Place: | Fukuoka, Japan |
| Height: | 1.76m (05.77feet) |
| Weight: | 980NaN0 |
| School: | Higashi Fukuoka High School |
| University: | Waseda University |
| Position: | Hooker |
| Currentclub: | Toyota Verblitz |
| Years1: | 2011–2018 |
| Clubs1: | Coca-Cola Red Sparks |
| Apps1: | 45 |
| Points1: | 20 |
| Years2: | 2016 |
| Apps2: | 0 |
| Points2: | 0 |
| Years3: | 2018–2023 |
| Clubs3: | Kobelco Steelers |
| Apps3: | 14 |
| Points3: | 10 |
| Years4: | 2023– |
| Clubs4: | Toyota Verblitz |
| Repyears1: | 2008–2009 |
| Repteam1: | Japan U20 |
| Repcaps1: | 10 |
| Reppoints1: | 40 |
| Repyears2: | 2012–2015 |
| Repcaps2: | 9 |
| Reppoints2: | 5 |
| Clubupdate: | 21 February 2021 |
| Repupdate: | 21 February 2021 |
is a Japanese rugby union player who plays as a hooker.[1]
In his home country he plays for the Coca-Cola Red Sparks whom he joined in 2011.[2] [3] He was also named in the first ever squad which will compete in Super Rugby from the 2016 season.[4] Arita is a Japanese international who debuted against Kazakhstan in 2012, but did not make the squad for the 2015 Rugby World Cup.[1]