Niki Terpstra is a Dutch former racing cyclist, who rode professionally between 2003 and 2022 for six different teams. He is the brother of fellow racing cyclist Mike Terpstra. He is the third Dutch cyclist to have won both of the cobbled Monument spring classics, Paris–Roubaix and the Tour of Flanders, after Jan Raas and Hennie Kuiper.

The cobbled classics are four cycling classics held in March and April. Cobblestones, like mountainous terrain, are important elements in courses of cycling. Many classic cycle races in northwestern Europe contain cobbled sections. The two Monuments of this race type are the Tour of Flanders and Paris–Roubaix, with over 20 cobbled sectors.