Basil Feilding, 4th Earl of Denbigh, 3rd Earl of Desmond (1668 – 18 March 1717), styled Viscount Feilding from 1675 to 1685, was an Anglo-Irish peer and courtier.

Feilding inherited the English Earldom of Denbigh and the Irish Earldom of Desmond in 1685, from his father, William Feilding, 3rd Earl of Denbigh and 2nd Earl of Desmond.

Basil Feilding (also Fielding) was born in 1668 in County Kilkenny, Ireland.

On 22 June 1695, he married Hester Firebrace (died 1725), daughter of Sir Basil Firebrace, 1st Baronet and Elizabeth Hough.

This biography of an earl or countess in the Peerage of England is a stub.