William Loraine
William Loraine may refer to:
- Sir William Loraine, 2nd Baronet, of the Loraine Baronets, MP for Northumberland (UK Parliament constituency)
- Sir William Loraine, 4th Baronet, of the Loraine Baronets
- Sir William Loraine, 6th Baronet, of the Loraine Baronets
- Sir William Loraine, 9th Baronet, of the Loraine Baronets