William Lundon (1839 – 24 March 1909) was an Irish nationalist politician and MP in the House of Commons of the United Kingdom of Great Britain and Ireland and as member of the Irish Parliamentary Party represented East Limerick when elected to the 27th Parliament of the United Kingdom at the 1900 general election and re-elected to the 28th Parliament at the 1906 general election.
A monument commemorating him stands in the grounds of Kilteely graveyard, which is situated in county Limerick, Ireland.