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".

In his first year, Eltink started in the 2005 Giro d'Italia, and finished 29th in the general classification.

This biographical article related to a Dutch cycling person born in the 1980s is a stub.