| Birth Date: | 20 September 1969 |
| Birth Place: | Nuku'alofa, Tonga |
| Ru Position: | Lock |
| Occupation: | Receptionist |
| Years1: | 1996-2003 |
| Clubs1: | U.E. Santboiana |
| Repyears1: | 1997-2003 |
| Repcaps1: | 29 |
| Reppoints1: | 20 |
Steve Tuineau Iloa (born 20 September 1969) is a Tongan-born former Spanish rugby union player. He represented at the 1999 Rugby World Cup.[1]
He made his debut for against in Andorra la Vella on 8 November 1997. His last appearance was against the at Fort Lauderdale, Florida on 27 April 2003.