The 2017 World RX of Belgium was the fourth round of the fourth season of the FIA World Rallycross Championship. The event was held at the Circuit Jules Tacheny Mettet in Mettet, Wallonia and also played host to the third round of the 2017 FIA European Rallycross Championship. It also hosted the first round of the 2017 RX2 International Series, the support category of the World Rallycross Championship.[1]