Sir Thomas Cave, 3rd Baronet

Sir Thomas Cave, 3rd Baronet DL (19 April 1681 – 21 April 1719) was a British Tory politician and baronet.

He was the oldest son of Sir Roger Cave, 2nd Baronet and his first wife Martha Browne, daughter of John Browne. In 1703, he succeeded his father as baronet. Cave was educated at Christ Church, Oxford. In 1705, he was appointed Deputy Lieutenant of Northamptonshire, and in 1711, he stood successfully for Leicestershire in a by-election. Cave was elected in the 1713 general election unchallenged, and was also returned in the 1715 general election after a withdraval from his Whig opponent. He finally represented the constituency in the British House of Commons until his death in 1719.

On 20 February 1703, Cave married Hon. Margaret Verney, youngest daughter of John Verney, 1st Viscount Fermanagh at St Giles's-in-the-Fields Church. They had two sons and two daughters. Cave was buried at Stanford, Northamptonshire. He was succeeded in the baronetcy by his sons Verney and Sir Thomas Cave, 5th Baronet successively.