| Sione Vatuvei | |
| Caption: | Sione in 2021 |
| Fullname: | Sione Talikavili Vatuvei |
| Birth Date: | 14 March 1983 |
| Birth Place: | Nukuʻalofa, Tonga |
| Height: | 1.88m (06.17feet) |
| Weight: | 1000NaN0 |
| School: | Nelson College |
| Relatives: | Luatangi Vatuvei (brother), Manu Vatuvei (cousin) |
| Position: | Flanker |
| Youthyears1: | 2004–2008 |
| Youthclubs1: | Takushoku University |
| Years1: | 2008–2014 |
| Clubs1: | Sanyo/Panasonic Wild Knights |
| Apps1: | 57 |
| Points1: | 75 |
| Years2: | 2014–2018 |
| Clubs2: | Toyota Industries Shuttles |
| Apps2: | 36 |
| Points2: | 45 |
| Years3: | 2018–present |
| Clubs3: | Kubota Spears |
| Apps3: | 9 |
| Points3: | 5 |
| Repyears1: | 2010–2011 |
| Repcaps1: | 8 |
| Reppoints1: | 10 |
| Clubupdate: | 21 February 2021 |
| Repupdate: | 7 December 2016 |
Sione Talikavili Vatuvei[1] (born 14 March 1983), also known by his middle name Talikavili or Kavili, is a Tongan-born Japanese rugby union footballer. He represented Japan at the 2003 Rugby World Cup.[2] His preferred position is blindside flanker.
He plays in the Top League for Toyota Industries Shuttles[3] in Kariya Aichi where he currently resides.
Vatuvei was educated at Nelson College in New Zealand between 1999 and 2001.[4] He is the youngest brother of former Japanese Rugby union footballer Luatangi Vatuvei. He is also the cousin of former Tongan-New Zealand Rugby league player Manu Vatuvei.