Alexander Black may refer to:
- Alexander Black (actor) (born 1983), American film actor
- Alexander Black (theologian) (1789–1864), theologian and Free Church of Scotland minister
- Alexander Black (architect) (1790–1858), Scottish architect based in Edinburgh
- Alexander Black (surveyor) (1827–1897), Scottish-born surveyor in Victoria, Australia
- Alexander Black (Canadian politician) (1832–1913), political figure in Manitoba
- Alexander Black (photographer) (1859–1940), American author and inventor of the pre-cinema “Picture Play”
- Alexander William Black (1859–1906), Liberal Party politician in Scotland
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