Duncan McLean

• Duncan McLean (footballer, born 1868), Scottish international footballer with Everton and Liverpool
• Duncan McLean (footballer, born 1874), Scottish footballer with Partick Thistle and Southampton
• Duncan McLean (writer), Scottish novelist, playwright, and short story writer
• Duncan McLean (rugby union)
• Duncan McLean, Australian founder of Way Funky Company Pte Ltd, a swimwear apparel manufacturing company