Sam Oomen (born 15 August 1995) is a Dutch racing cyclist, who currently rides for UCI WorldTeam Lidl–Trek.

In October 2015 it was announced that he would join Team Giant–Alpecin from 2016 on an initial three-year contract.

[9] He started the season by racing in the Tour Down Under, where he finished in 15th overall and was 24 seconds behind the winning time.

Oomen led Team Sunweb at the Volta ao Algarve.

[10] In May 2018, he was named in the startlist for the Giro d'Italia,[11] which he finished in ninth place, while riding in support for Tom Dumoulin.