Wighelm is a probable Bishop of Selsey.
Kelly notes that a bishop of this name attests a number of charters of Edward the Elder between 900 and 909, and attributes him to Selsey on the basis of a later composite document containing earlier material.
He died sometime between 909 and 925.
- Barker, E. 1947. Sussex Anglo-Saxon Charters, part 1. Sussex Archælogical Collections 86: 42-101
- Kelly, S. E. 1998. Charters of Selsey. Anglo-Saxon Charters 6
- Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1996). Handbook of British Chronology. Third Edition, revised, Cambridge: Cambridge University Press.