William de Londres was an Anglo-Norman knight, castellan of Ogmore, under the reign of William II. He was one of the twelve knights of Glamorgan who helped Robert FitzHamon conquer the Welsh Kingdom of Morgannwg at the end of the 11th century during the Norman conquest of Wales.
- Occupation
- feudatory, knight, mercenary
- Born
- 1100, 1070
- Died
- 1131, 1126
