Sir John Tyrrell (ca. 1382–2 April 1437) possessed the manor of Heron (in East Horndon), Essex, was Knight of the Shire for that county, and Speaker of the House of Commons.
He was born the eldest son of Walter Tyrell of Avon, Hampshire and was the nephew and heir of Sir Thomas Tyrell of Heron, Essex.
He was appointed High Sheriff of Essex and Hertfordshire in 1413 and again in 1423. He was elected knight of the shire for Essex 12 times between 1411 and 1437 and once for Hertfordshire in 1427. He was elected Speaker of the House three times (in 1421, 1429 and 1437).
He had the post of Chief Steward of the Duchy of Lancaster north of the Trent from 1427 until his death in 1437. He was a member of Henry VI’s council in France in 1431 and was Treasurer of the Royal Household from May 1431 until his death. He was also knighted in 1431.
He married firstly, before 1411, Alice, daughter and heiress of Sir William Coggeshall. They had six sons, including Thomas, and four daughters. He married secondly Katherine, daughter and coheiress of Sir William Burgate of Burgate, Suffolk and widow of Robert Stonham of Stonham Aspall, Suffo;k and of John Spencer of Banham, Norfolk. They had a daughter. His son and heir was Sir Thomas Tyrrell, of Heron (c. 1411 – March 28, 1476).