Willem II Berthout of Mechelen, also Guilhelmus or Wilhelmus, served as Bishop of Utrecht from 1296 until his death in battle in 1301. He succeeded Jan II van Sierck. Willem was a leader of the Berthout family, which ruled over the Heerlijkheid of Mechelen.
- Occupation
- Catholic bishop, Catholic priest, bishop
- Position held
- diocesan bishop, bishop-elect, bishop
- Born
- 1300
- Died
- July 4, 1301