Sir Thomas Bowyer, 1st Baronet (28 November 1586 – February 1651) was an English politician who sat in the House of Commons at various times between 1614 and 1642. He supported the Royalist cause in the English Civil War. Bowyer was buried in Mundham on 28 February 1651. Bowyer married firstly Anne Stoughton, daughter of Adrian Stoughton, and around 1634 secondly Jane Stoughton, widow of Sir George Stoughton and daughter of Emery Cranley. He married a third time around 1642 to Anne. He had a son, Thomas, by his second wife, a son James, by his third wife, as well as twelve other children.