Guinness (Irish: Mag Aonghuis) is a surname. Notable people with the surname include:

• Alec Guinness (1914–2000), British actor
• Arthur Guinness (1725–1803), founder of Guinness beer
• Arthur Guinness (New Zealand politician) (1846–1913)
• Bunny Guinness, landscape architect and broadcaster
• Daphne Guinness (born 1967), artist
• Desmond Guinness (1931–2020), Irish writer on Georgian art and architecture
• Humphrey Patrick Guinness (1902–1986), British polo player
• Jasmine Guinness (born 1976), model and designer
• Kenelm Lee Guinness (1887–1937), racing driver and spark plug manufacturer
• Matthew Guinness (born 1940), British actor
• Oonagh Guinness (1910–1995), Anglo-Irish socialite and society hostess
• Os Guinness (born 1941), author
• Peter Guinness (disambiguation), multiple people

• Guinness family, prominent descendants of Arthur Guinness (1725–1803) and his brother Samuel Guinness (1727–1795)
• Magennis

Surname list

This page lists people with the surname Guinness.
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