Courtney Duffus (born 24 October 1995) is an Irish footballer who plays as a forward for League of Ireland Premier Division side Waterford on loan from Oldham Athletic. He is a former Republic of Ireland U21 international.
Duffus joined Everton in the summer of 2012 from Cheltenham Town.
On 24 October 2014, Duffus joined League Two side Bury on loan until January. He made his debut a day later, starting the match and playing 59 minutes in a 1–1 draw with Southend United at Roots Hall.
Courtney's younger brother, Tyrone, also plays for Everton and also joined the club in the summer of 2012.