| Ryu Koliniasi Holani | |
| Birth Name: | Koliniasi Holani |
| Birth Date: | 25 October 1981 |
| Birth Place: | Nukuʻalofa, Tonga |
| Height: | 1.88m (06.17feet) |
| Weight: | 111kg (245lb) |
| Relatives: | Nofomuli Taumoefolau (uncle) |
| Ru Position: | Number 8 / Flanker |
| Years1: | 2006−19 |
| Apps1: | 148 |
| Points1: | 270 |
| Ru Clubupdate: | 15 January 2017 |
| Repyears1: | 2008–16 |
| Repteam1: | Japan |
| Repcaps1: | 45 |
| Reppoints1: | 110 |
| Ru Ntupdate: | 25 June 2016 |
| School: | Fukaya High School |
| University: | Saitama Institute of Technology |
, born 25 October 1981, is a Tongan born, Japanese professional Rugby union player.