'''Neligan''' is a surname. Notable people with the surname include:
* David Neligan (1899–1983), "The Spy in the Castle" * David M Neligan (1935–2025), Irish diplomat * Dorinda Neligan (1833–1914), Irish-born English headmistress and suffragette * Gwendoline Neligan (1905–1972), British fencer * Moore Richard Neligan (1863–1922), Anglican Bishop * Maurice Neligan (1937–2010), Irish heart surgeon, activist, newspaper columnist and media commentator * Maurice Wilder-Neligan (1886–1923), born Maurice Neligan, British-born Australian soldier
==Fictional characters== * John Hopley Neligan, a character in ''The Adventure of Black Peter'', a Sherlock Holmes story by Sir Arthur Conan Doyle
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