Thomas Sackville may refer to:

• Thomas Sackville I (c.1336-1406), MP, see Knights of Buckinghamshire 1377-1394
• Thomas Sackville II (died 1432), in 1394 MP for Sussex (UK Parliament constituency)
• Thomas Sackville, 1st Earl of Dorset (1536–1608), English statesman, poet and playwright
• Tom Sackville (born 1950), British Conservative Member of Parliament

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