亚历山大·仲马（法语：Alexandre Dumas发音：[a.lɛk.sɑ̃dʁ dy.ma], 原名 Dumas Davy de la Pailleterie, [dy.ma da.vi‿d.la pa.jə.tʁi] ，1802年7月24日－1870年12月5日），19世纪法国浪漫主义作家，世界文学名著《基度山恩仇记》的作者。

大仲马自学成才，一生写的各种著作达300卷之多，主要以小说和剧作着称于世。他最著名的作品包括基督山伯爵、三剑客、二十年后和布拉热洛纳子爵，后三部通称为达尔达尼央浪漫三部曲。

Alexandre Dumas (French: [a.lɛk.sɑ̃dʁ dy.ma], born Dumas Davy de la Pailleterie [dy.ma da.vi də la pa.jə.tʁi]; 24 July 1802 – 5 December 1870), also known as Alexandre Dumas, père, was a French writer. His works have been translated into nearly 100 languages, and he is one of the most widely read French authors. Many of his historical novels of high adventure were originally published as serials, including The Count of Monte Cristo, The Three Musketeers, Twenty Years After, and The Vicomte de Bragelonne: Ten Years Later. His novels have been adapted since the early twentieth century for nearly 200 films. Dumas' last novel, The Knight of Sainte-Hermine, unfinished at his death, was completed by a scholar and published in 2005, becoming a bestseller. It was published in English in 2008 as The Last Cavalier.