| Ruben Donet Gregori | |
| Birth Date: | 3 April 1983 |
| Discipline: | Track cycling |
| Role: | Rider |
| Ridertype: | team sprint |
Ruben Donet Gregori (born 3 April 1983) is a Spanish male track cyclist, riding for the national team. Also knowed as Tío Cadenas, He competed in the track time trial event at the 2004 Summer Olympics. He also competed at the 2007 UCI Track Cycling World Championships and 2011 UCI Track Cycling World Championships.[1]