Duncan Ian Watmore (born 8 March 1994) is an English professional footballer who plays as a forward for EFL Championship club Millwall.

[8] Watmore had spells on loan at Northern Premier League Division One North clubs Clitheroe and Curzon Ashton in early 2012.

[5][12] He made his debut for the Sunderland first team on 5 January 2014 as a 60th-minute substitute for Ji Dong-won in a 3–1 home win against Carlisle United in the third round of the FA Cup.

[18] Watmore made his league debut for Sunderland on 15 August 2015, coming off the bench to score a late consolation goal with a scuffed volley into the bottom-left corner in a 3–1 home loss to Norwich City.

[21] Watmore was ruled out for the remainder of the a 2016–17 season after suffering cruciate knee ligament injury during Sunderland's 2–1 home win over Leicester City on 3 December 2016.

[35] He made his debut against the United States on 3 September 2015 as a second-half substitute, and assisted James Wilson's winning goal.

[36] Watmore scored his first under-21 goal and assisted two others on 14 November 2015 after coming on as a substitute against Switzerland in a 2017 UEFA European Under-21 Championship qualifier.

[40] In November 2015, Sunderland forward Jermain Defoe likened Watmore to Gareth Bale, his former Tottenham Hotspur teammate, citing a shared ability of ball control.