Sir John Lloyd, 1st Baronet (ca. 1617 – 1 January 1664) was a Welsh politician who sat in the House of Commons at various times between 1646 and 1660. He was the son of Griffith Lloyd of Fforest Brechfa, Carmarthenshire and studied law at Gray's Inn (1635). In 1646, Lloyd was elected Member of Parliament (MP) for Carmarthenshire as a recruiter to the Long Parliament. He was secluded in Pride's Purge in 1648.