William Iseham was an English politician. He was a Member of Parliament for Truro in 1554.[1] This was under the reign of Queen Mary when parliament met at Oxford.[2]
In around 1551–1553, Iseham and his wife Margery were defendants in a case brought by Michael Rosewaren of Camborne in Chancery/Star Chamber for enclosure of common in Trevaswythen.[3]