Herbert Windsor, 2nd Viscount Windsor

Herbert Windsor, 2nd Viscount Windsor, portrait by Edward Travanyon Haynes. Arms: Windsor quartering Herbert, with inescutcheon of pretence of Clavering (Quarterly or and gules, overall a bend sable)

Herbert Windsor, 2nd Viscount Windsor (1 May 1707 – 25 January 1758), styled The Honourable Herbert Windsor until 1738, was a British landowner and Tory politician who sat in the House of Commons from 1734 until 1738 when he succeeded to the peerage as Baron Mountjoy and Viscount Windsor.

Origins He was the son and heir of Thomas Windsor, 1st Viscount Windsor, by his wife Lady Charlotte Herbert, daughter of Philip Herbert, 7th Earl of Pembroke.

Career He stood unsuccessfully for Parliament for Bramber in 1734 but was instead elected unopposed for Cardiff, a rotten borough controlled by his family. He held the seat until 1738, when he succeeded his father and entered the House of Lords.

Marriage and issue He married Alice Clavering (d. November 1776), daughter and heiress of Sir John Clavering, 3rd Baronet, a lady worth £60,000, Alice Elizabeth Windsor (1749–1772), married Francis Seymour-Conway, Viscount Beauchamp, eldest son of Francis Seymour-Conway, 1st Earl of Hertford. Father and son later held the title Marquess of Hertford.

Death and succession He died in January 1758, aged 54. As he had no sons, his titles became extinct.