Liam Rory Delap (লিয়াম ডেল্যাপ) is an English professional footballer who plays as a striker for Premier League club Chelsea.

Delap has represented the nation of his birth, England, at all youth levels but remains eligible to represent the Republic of Ireland at senior international level through ancestry.

Delap finished as top scorer at the 2019 Mercedes-Benz Aegean Tournament for England Under-16 in Turkey and later that year went on to score twice for England U17 in a match against Austria. On 29 March 2021, Delap scored on his only appearance for the England U18 side during a 2–0 win away to Wales at Leckwith Stadium.

On 23 March 2022, Delap made his U19 debut as a substitute in a 3–1 win over Republic of Ireland during 2022 UEFA European Under-19 Championship qualification at Bescot Stadium. On 17 June 2022, Delap was included in the England U19 squad for the 2022 UEFA European Under-19 Championship. He scored the only goal of the match in their last group fixture. On 1 July 2022, Delap came off the bench during extra time in the final and helped Aaron Ramsey score the last goal of the game as England beat Israel 3–1 to win the tournament.

Delap was born in Winchester, Hampshire, and is the son of former professional footballer Rory Delap, who represented the Republic of Ireland national team. His brother is Burton Albion player Finn Delap.

His paternal grandfather and three great-uncles are originally from Letterkenny, County Donegal while his paternal grandmother is from Moynalty, County Meath.