| Robert Horstink | |
| Fullname: | Robert Horstink |
| Birth Date: | 26 December 1981 |
| Birth Place: | Twello |
| Height: | 2.010NaN0 |
| Weight: | 92kg (203lb) |
| Spike: | 360cm (140inches) |
| Block: | 350cm (140inches) |
| Position: | Outside hitter |
| Currentnumber: | 4 |
| Currentclub: |  Sisley Volley |
| Nationalteam: | Netherlands |
| Updated: | February 2011 |
Robert Horstink (born 26 December 1981 in Twello, Gelderland) is a volleyball player from the Netherlands, who represented his native country at the 2004 Summer Olympics in Athens, Greece. There he ended up in ninth place with the Dutch Men's National Team.
He mainly plays as an outside hitter and is known for his vertical jump, his cocky attitude, and his powerful backrow attacks.