William Heyberer (died 1390/1), of Gloucester, was an English politician.
Heyberer's family had been prominent in Gloucester since the early fourteenth century.
[1] In 1361 he became bailiff of the town and the same year represented Gloucester the House of Commons.
[2] He was presumably one of the small group of influential merchants, who dominated Gloucester's trade in this period.
[1] His first term as bailiff lasted until 1365, and he also served in the role in 1370-1, 1372-3, 1376-7 and 1384-5.