Liam William Peter Miller (13 February 1981 – 9 February 2018) was an Irish professional footballer. Miller began his career with Celtic and was later loaned to Aarhus in 2001. He joined Manchester United in 2004 on a free transfer under the Bosman ruling.
Miller represented the Republic of Ireland team internationally, making his debut in 2004 against the Czech Republic.
Miller died on 9 February 2018 of pancreatic cancer at the age of 36.