Nobles
- James Hamilton of Cadzow (before 1397–c. 1440), 5th Laird of Cadzow
- James Hamilton, 1st Lord Hamilton (c. 1415–1479), Scottish nobleman
- James Hamilton of Finnart (c. 1495–1540), military engineer, illegitimate son of the 1st earl and guardian to the 2nd
- James Hamilton, 1st Viscount Claneboye (c. 1560–1644), Ulster Scot land owner and settler
- James Hamilton, 3rd Baron Hamilton of Strabane (1633–1655), Irish nobleman
- James Hamilton, Lord Paisley (died before 1670), eldest son of James Hamilton, 2nd Earl of Abercorn
- James Hamilton, Viscount Hamilton (1786–1814), British politician
- James Hamilton, 4th Baron Hamilton of Dalzell (1938–2006), British politician
- James Douglas-Hamilton, Baron Selkirk of Douglas (born 1942), member of the Scottish Parliament
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