Thomas Willoughby (disambiguation)

Thomas Willoughby  (1593–?) was a North American colonist.

Thomas Willoughby  may also refer to:


 * Thomas Willoughby (MP for Downton) (died before 1596), MP for Downton (UK Parliament constituency)
 * Thomas Willoughby (MP for Lincolnshire) (died 1418), MP for Lincolnshire (UK Parliament constituency)
 * Thomas Willoughby (MP) (1694–1742), English politician
 * Thomas Willoughby, 1st Baron Middleton (1672–1729), English politician
 * Thomas Willoughby, 4th Baron Middleton (1728–1781), English nobleman
 * Thomas Willoughby, 11th Baron Willoughby of Parham (1602–1691/92), English peer
 * Thomas Willoughby (Virginia), settler in 1610
 * Tom Willoughby (1889–1964), Australian rules footballer