William Heyberer (died 1390/1), of Gloucester, was an English politician. He was a Member (MP) of the Parliament of England for Gloucester in 1361, 1362, 1365, 1371, 1372, 1373, October 1377, January 1380 and January 1390; and for Gloucestershire in November 1380, April 1384, November 1384, 1385 and February 1388. He was also elected knight of the shire five times, and in that capacity attended the Merciless Parliament.