We found 3 fonts on https://rockwerchter.be/en/info

CachedRecheck
a
li
span
p
button
div
ol
ul
14 Styles

Inter

div
span
a
li
ul
7 Styles

??? By Laurenz Brunner (2007 2018)

Designed by Laurenz Brunner (2007-2018), Lineto
a
h1
h3
3 Styles

Rw Werchter 2024

Designed by TIN Studio, TIN Studio with assistance of Edgar Walthert

FontofWeb by Simdi Jinkins & Onyemsobi