Thomas Darcy, 1st Baron Darcy of Chiche KG (4 December 1506 – 28 June 1558) was an English courtier during the reign of Edward VI. He served as Vice-Chamberlain of the Household and Captain of the Yeomen of the Guard between 1550 and 1551 before his appointment as Lord Chamberlain of the Household. He was placed under house arrest for his support of Lady Jane Grey as Edward's successor.