Bel RTL is a commercial radio network broadcasting in Brussels and Wallonia (French-speaking Belgium). The station is owned by the Radio H holding company, which is part of the Luxembourg-based RTL Group.

Bel RTL is currently (as of 2013) the most widely listened-to radio station in the French Community of Belgium.It is the station's aim to be as big in Belgium as its sister station RTL is in France. Many of Bel RTL's presenters came to the station from the RTL-TVI television channel.