| Birth Place: | Apia, Samoa |
| Birth Date: | 1982 7, df=yes |
| Weight: | 199 lb |
| Ru Position: | Wing |
| Years1: | 2001-???? |
| Clubs1: | Marist St. Joseph[1] |
| Repyears1: | 2003 |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
Ron Fanuatanu (born 7 July 1982, Apia, Samoa) is a Samoan former rugby union player. He played as a wing.
His first international cap was against Ireland, at Apia, on June 20, 2003. He was also part of the 2003 Rugby World Cup roster, where he only played the match against Georgia at Perth.