| Birth Date: | 12 January 1965 |
| Birth Place: | Buenos Aires |
| Weight: | 185lb |
| Ru Position: | Centre |
| Ru Clubyears: | 1985-1989 1989-1991 1991-1994 1994-1996 1997-1998 |
| Ru Proclubs: | Banco Nación Amatori Rugby San Donà Cesena Rugby Club Amatori Catania Banco Nación |
| Ru Nationalyears: | 1984-1997 |
| Ru Nationalcaps: | 29 |
| Ru Nationalpoints: | (63) |
Fabián Turnes (born January 12, 1965, in Buenos Aires) is a former Argentine rugby union player and a current coach. He played as a centre.
Turnes played at Banco Nación, from 1983/84 to 1988/89, where he won two titles of Argentine Champion, in 1985/86 and 1988/89. He then would play for Amatori Rugby San Donà (1989/90), Cesena and Amatori Catania, in Italy, returning for two final seasons at Banco Nación, where he would end his career in 1997/98. He then started a coaching career.
He had 29 caps for Argentina, from 1985 to 1997, scoring 63 points, 5 tries, 5 conversions, 10 penalties and 1 drop goal. He played two matches at the 1987 Rugby World Cup finals.
He was nominated, after the 2007 Rugby World Cup finals, one of the head coaches of Argentina, with Santiago Phelan.