Uilleam
Uilleam is the name of the following people:
- Uilleam, 2nd Earl of Ross (* after 1210; † 1274), Scottish nobleman
- Uilleam, 3rd Earl of Ross (* before 1260 - † 1323), Scottish nobleman
- Uilleam, 5th Earl of Ross (* before 1329 - † 1372), Scottish nobleman
- Uilleam, 5th Earl of Mar († before July 25, 1281), Scottish nobleman
