| Birth Place: | Wellington, New Zealand |
| Birth Date: | 1980 9, df=yes |
| Weight: | 243lbs |
| School: | St Joseph's College, Samoa. Wesley College, New Zealand |
| Position: | Lock, Flanker |
| Amatteam2: | Papakura RFC |
| Province1: | Counties Manukau[1] |
| Provinceyears1: | 2001–2003 |
| Provinceapps1: | 8 |
| Provincepoints1: | 10 |
| Years1: | 2003 |
| Clubs1: | Manchester R.F.C. |
| Repyears1: | 2001–2004 |
| Repcaps1: | 10 |
| Reppoints1: | 5 |
Kitiona Villiamu (born Wellington, 27 September 1980) is a New Zealand-born Samoan rugby union player. He played as lock and flanker.
He first played for Samoa in a test against Ireland, at Lansdowne Road, on 11 November 2001.[2] He was part of the 2003 Rugby World Cup roster, where he played four matches as substitute. His last international cap was against Scotland, at Wellington, on 4 June 2004.[3] In his club career, he played for Counties Manukau in the NPC between 2001 and 2003, and in 2003 he moved to Manchester R.F.C.