Gavin Hamilton may refer to:

• Gavin Hamilton (archbishop of St Andrews) (died 1571), archbishop of St Andrews
• Gavin Hamilton (bishop of Galloway) (1561–1612), bishop of Galloway
• Gavin Hamilton (artist) (1723–1798), Scottish artist
• Gavin Hamilton (lawyer) (1751–1805), Friend of Robert Burns
• Gavin Hamilton, 2nd Baron Hamilton of Dalzell (1872–1952), British politician
• Gavin Hamilton (British Army officer) (1953–1982), SAS officer killed in Falklands War
• Gavin Hamilton (cricketer) (born 1974), Scottish cricketer

• Gawen Hamilton (1698–1737), artist