Gareth Evans may refer to:

Sportspeople

• Gareth Evans (footballer, born 1967), English former professional footballer
• Gareth Evans (footballer, born 1981), English former professional footballer
• Gareth Evans (footballer, born 1987), Welsh professional footballer currently playing for Oklahoma City Energy FC
• Gareth Evans (footballer, born 1988), English current professional footballer who plays for Bradford City
• Gareth Evans (rugby union, born 1952), Welsh former rugby union player
• Gareth Evans (rugby union, born August 1991), New Zealand rugby union player for Hawke's Bay and the Hurricanes
• Gareth Evans (rugby union, born September 1991), English rugby union player for Gloucester
• Gareth Evans (weightlifter) (born 1986), British weightlifter

Other

• Gareth Evans (filmmaker) (born 1980), Welsh film director
• Gareth Evans (geneticist) (born 1959), British geneticist
• Gareth Evans (philosopher) (1946–1980), philosopher at Oxford University
• Gareth Evans (politician) (born 1944), Australian former politician