Thomas Darcy 1st Baron Darcy of Darcy or of Temple Hurst KG PC (c. 1467 – 30 June 1537) was an English nobleman the only son and heir of Sir William Darcy (1443 – 30 May 1488) and his wife Euphemia Langton the daughter of Sir John Langton. Darcy was opposed to the Dissolution of the Monasteries and for his role in the Pilgrimage of Grace was convicted of high treason for delivering up Pontefract Castle to the rebels. He was executed on Tower Hill 30 June 1537.