Viscount St Davids is a title in the Peerage of the United Kingdom. The Viscount holds the Barony of St Davids, created in 1908. Furthermore, he holds several ancient English Baronies _ the Baronies of Strange, Hungerford and Moleyns, whose common abeyance was terminated in favour of the second Viscount's mother in 1921.

Viscounts St Davids (1918)

• John Wynford Philipps, 1st Viscount St Davids (1860_1938)
• Jestyn Reginald Austen Plantagenet Philipps, 2nd Viscount St Davids (1917-1991)
• Colwyn Jestyn John Philipps, 3rd Viscount St Davids (b. 1939)