Thomas Hackett may refer to:

• Thomas Hackett (Jacobite), Irish Jacobite official and merchant
• Thomas C. Hackett (c. 1798–1851), American politician and lawyer
• Thomas Hackett (British politician) (1869–1950), British co-operative activist and politician
• Thomas Bernard Hackett (1836–1880), Irish recipient of the Victoria Cross

• Tom Hackett (born 1992), Australian player of American football

This disambiguation page lists articles about people with the same name.
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