James Wemyss may refer to:
- James Wemyss, Lord Burntisland (died 1682), husband of Margaret Wemyss, 3rd Countess of Wemyss
- James Wemyss, 5th Earl of Wemyss (1699âÂÂ1756), grandson of the preceding, Scottish peer
- James Wemyss (1726âÂÂ1786), son of the preceding, Scottish MP
- James Erskine Wemyss (1789âÂÂ1854), grandson of the preceding, Scottish admiral and MP
- James Hay Erskine Wemyss (1829âÂÂ1864), son of the preceding, Scottish MP
- James Wemyss (New Zealand politician) (1828âÂÂ1909), Member of Parliament in Nelson, New Zealand
- James Wemyss (British Army officer) (1748âÂÂ1833), major during American Revolutionary War at Battle of Fishdam Ford
See also
- James Weams (1851âÂÂ1911), aka James Wemyss, Durham comedian and singer/songwriter