| Santiago Sanz | |
| Birth Date: | 27 June 1979 |
| Birth Place: | Buenos Aires, Argentina |
| Height: | 6 ft 3 in |
| Weight: | 208 lb |
| Ru Position: | Flanker |
| Clubs1: | Club Atlético San Isidro |
| Repyears1: | 2003–2007 |
| Repteam1: | Argentina |
| Repcaps1: | 6 |
| Reppoints1: | 5 |
| Ru Sevensnationalteam1: | Argentina |
Santiago Sanz (born 27 June 1979) is an Argentine former professional rugby union player who played as a flanker. Born in Buenos Aires, he played for Club Atlético San Isidro, and also earned six caps for the Argentina national team. He also played 55 times for the Argentina sevens team, scoring 13 tries and a conversion for a total of 67 points.[1]