William de Ros
William de Ros is the name of the following people:
- William de Ros († around 1264) , English nobleman
- William de Ros (nobleman, † around 1310) , English nobleman
- William de Ros, 1st Baron de Ros († 1316), English nobleman
- William de Ros, 2nd Baron de Ros († 1343), English nobleman
- William de Ros, 3rd Baron de Ros (1329–1352), English military commander
- William de Ros, 6th Baron de Ros (1368–1414), Lord High Treasurer of England
