William Clavering-Cowper, 2nd Earl Cowper (13 August 1709 – 18 September 1764), styled Viscount Fordwich between 1718 and 1723, was an English peer and courtier.

He later assumed the additional surname of Clavering on the death of his maternal uncle.

[1] He was educated at Exeter College, Oxford, matriculating in 1725 aged 16, created DCL in 1728.

He married firstly Lady Henrietta, daughter of Henry de Nassau d'Auverquerque in 1732.

He died on 18 September 1764, aged 55, and was succeeded in the earldom by his son from his first marriage, George Clavering-Cowper.