Ivor Guest may refer to:

• Ivor Guest, 1st Baron Wimborne (1835–1914), Welsh industrialist
• Ivor Guest, 1st Viscount Wimborne (1873–1939), British politician, one of the last Lords Lieutenant of Ireland
• Ivor Guest, 2nd Viscount Wimborne (1903–1967), British politician
• Ivor Guest, 3rd Viscount Wimborne (1939–1993), British businessman
• Ivor Guest, 4th Viscount Wimborne (born 1968), British record producer and composer
• Ivor Forbes Guest (1920–2018), British lawyer and ballet historian, husband of movement notation expert Ann Hutchinson Guest
• Ivor Guest (died 1917), elder brother of Ernest Lucas Guest and uncle of Ivor Forbes Guest

• Baldwin Hamey Junior
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