George Montagu may refer to:
- George Montagu (17th century politician) (1622âÂÂ1681), English politician
- George Montagu (naturalist) (1753âÂÂ1815), English naturalist
- George Montagu (Royal Navy officer) (1750âÂÂ1829)
- George Montagu (18th century politician) (1713âÂÂ1780), British politician, MP for Northampton
- George Montagu, 1st Earl of Halifax (c. 1684âÂÂ1739), English politician
- George Montagu-Dunk, 2nd Earl of Halifax (1716âÂÂ1771), British statesman of the Georgian era
- George Montagu, 1st Duke of Montagu (1712âÂÂ1790), British peer
- George Montagu, 4th Duke of Manchester (1737âÂÂ1788), British peer
- George Montagu, 6th Earl of Sandwich (1773âÂÂ1818), British peer
- George Montagu, 6th Duke of Manchester (1799âÂÂ1855), British peer
- George Montagu, 8th Duke of Manchester (1853âÂÂ1892), British peer
- George Montagu, 9th Earl of Sandwich (1874âÂÂ1962), British peer and Conservative politician
- George Montagu (police officer), Australian police officer