Others
- William Fraser (bishop) (died 1297), Bishop of St Andrews, Guardian of Scotland during the First Interregnum 1290–1292, during the Wars of Scottish Independence
- William Fraser (historian) (1816–1898), Professor of Scottish History
- William Fraser (brewer), Scottish brewer
- William Fraser (Canadian bishop) (1779–1851), Canadian Roman Catholic bishop
- William Fraser, 1st Baron Strathalmond (1888–1970), Scottish businessman and chairman of the Anglo-Iranian Oil Company
- William Fraser (British administrator), working in Madras, India, 1709–1711
- William Kerr Fraser (born 1929), British civil servant and University of Glasgow vice-chancellor
- William Fraser, 12th Lord Saltoun (1654–1715), Scottish peer and the 11th Laird of Philorth
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