Declan may refer to:
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Declán of Ardmore (fl. 5th century), Irish religious leader
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Declan (given name)
Declan is an Irish given name, an anglicised form of the Irish saint name Declán, also Deaglán or Déaglán. St. Declán founded a monastery in Ireland in the 5th century, and the St. Declán's stone has been credited as the site of many miracle ...
, including a list of people with the name
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''Declan'' (album), by Declan Galbraith
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