William Beaw (1616-1706),^[1] sometimes spelled Beau,^[2] was Bishop of Llandaff from 1679 until his death.^[3]

Beaw was educated at New College, Oxford. During the English Civil War he was a Major of a regiment of horse for Charles I. He also served Sweden in their war with Poland. In 1661 he became Vicar of Adderbury, a post he held until his elevation to the episcopate.

Beaw had a daughter, Jane, who married John Arundell, 3rd Baron Arundell of Trerice. Her will was proved 14 Jul 1744.^[2]