William Keith may refer to:
Law and politics
Nobility
- William Keith, 1st Earl Marischal (died 1483), Scottish peer and politician
- William Keith, 4th Earl Marischal (died 1581), Scottish nobleman and politician
- William Keith, 6th Earl Marischal (c. 1585âÂÂ1635), Scottish peer and naval officer
- William Keith, 7th Earl Marischal (1610âÂÂ1670/71), Scottish Covenanter
- William Keith, 9th Earl Marischal (c. 1664âÂÂ1712), Scottish Jacobite politician
- Sir William Keith, 4th Baronet (1669âÂÂ1749), Lt. Governor of Pennsylvania and Delaware
- William Keith, 2nd Earl of Kintore (1695âÂÂ1718), Scottish nobleman
Others
See also