Alexander or Alex Bain may refer to:

• Alexander Bain (philosopher) (1818–1903), Scottish philosopher.
• Alexander Bain (inventor) (1810–1877), Scottish inventor and engineer
• Alex Bain (footballer) (Alexander Edward Bain, 1936–2014), British footballer
• Alex Bain (actor) (Alexander Anthony Keith Bain, born 2001), Coronation Street actor

• Alexander Bayne (died 1737), first tenant of the chair of Scots law at the University of Edinburgh
• All pages with titles containing Alexander Bain
• Bain (surname)

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