Sir Thomas Dyke, 1st Baronet (c. 1650 – 31 October 1706) was an English Tory politician who sat in the House of Commons between 1685 and 1698. Dyke was the son of Sir Thomas Dyke and his wife Catharine Bramstone, daughter of Sir John Bramstone, of Skreenes, Essex. He was educated at Westminster School and Christ Church, Oxford. He entered Middle Temple in 1667 and later travelled abroad. He lived at Horeham, in Sussex and was created a baronet, of Horeham in the County of Sussex, on 3 March 1677. From 1677 to 1679 he was a commissioner for assessment in Sussex. Dyke died aged 56.