Robbe Ghys (born 11 January 1997) is a Belgian road and track cyclist, who currently rides for UCI WorldTeam Alpecin–Deceuninck.

As a junior, Ghys participated at the 2015 UCI Road World Championships in the Men's junior road race. He competed on the track at the 2016 UEC European Track Championships in the team pursuit and elimination race events. In 2018 he became European Champion in the Madison, together with Kenny De Ketele.