William Borlase

Sir William Borlase (1566 – 4 September 1629) was an English politician of the Borlase family who sat in the House of Commons between 1604 and 1614.

Borlase was the son of John Borlase of Little Marlow, Buckinghamshire. He matriculated at Magdalen College, Oxford, on 17 November 1581. He was a student of Gray's Inn in 1584, described as being of Little Marlow (in Buckinghamshire). By 1588 he was married to Mary Backhouse, sister of his brother-in-law Samuel Backhouse.

He succeeded to his father's estate in 1593 and subsequently became a justice of the peace for Buckinghamshire.

In 1601-2 he served as High Sheriff of Buckinghamshire.

In the parliament of 1604-10 he sat as member of parliament for Aylesbury through the patronage of John Pakington (died 1625). He was comparatively active, although his only recorded speeches were on the subject of Purveyance. in memory of his son Henry Borlase, MP for Marlow, who died in that year.

Borlase died in September 1629 and was buried at Little Marlow. He was the father of Henry Borlase and William Borlase.