| Theo Eltink | |
| Fullname: | Theo Eltink |
| Birth Date: | 27 November 1981 |
| Birth Place: | Eindhoven, the Netherlands |
| Height: | 1.73m (05.68feet) |
| Weight: | 55.5kg (122.4lb) |
| Currentteam: | Retired |
| Discipline: | Road |
| Role: | Rider |
| Proyears1: | 2002 - 2004 |
| Proyears2: | 2005 - 2008 |
| Proyears3: | 2009 |
Theo Eltink (born November 27, 1981, in Eindhoven) is a Dutch former professional road bicycle racer.
In his youth, Eltink also was a good ice skater, but finally chose for cycling. He competed in cyclo-cross and road races at cycling club "Het snelle wiel". After Eltink finished school, he focussed on cycling.
Eltink became a member of the Rabobank TT3, a team for promising young riders. In 2005, Eltink became a professional cyclist for . In his first year, Eltink started in the 2005 Giro d'Italia, and finished 29th in the general classification.