Thomas Hackett

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