Quilliam

Quilliam is a surname, and may refer to:

• John Quilliam (1771–1829), a British Royal Navy officer and the First Lieutenant on HMS Victory at the Battle of Trafalgar
• Susan Quilliam (born 1950), an agony aunt and author noted for bringing systemic psychology to a mass audience
• William Abdullah Quilliam (1856–1932), a 19th-century convert from Christianity to Islam, founding England's first mosque and Islamic centre

'Quilliam' may also refer to

• Quilliam (think tank), a British anti-Islamist think tank
• HMS Quilliam (G09), a Q class destroyer in the Royal Navy during World War II, and the Royal Netherlands Navy 1946–1957