Thomas Grosvenor may refer to:
Sir Thomas Grosvenor, 3rd Baronet (1656–1700), MP for Chester Sir Thomas Grosvenor, 5th Baronet (1693–1733), MP for Chester, son of the above Thomas Grosvenor (1734–1795), MP for Chester, nephew of the above Thomas Grosvenor (British Army officer) (1764–1851), British soldier and MP, son of the above Thomas P. Grosvenor (1778–1817), American politician