William Smith, 4th Viscount Hambleden

William Herbert "Harry" Smith, 4th Viscount Hambleden (2 April 1930 – 2 August 2012) was a British peer and descendant of the founders of the stationery group W H Smith.

Life and family
Smith was the son of William Smith, 3rd Viscount Hambleden, and Patricia née Herbert, a descendant of the Earls of Pembroke and the Vorontsov family. He was educated at Eton College. He succeeded to the title of 4th Viscount Hambleden after the death of his father in 1948.

Smith married Countess Maria Carmela Attolico di Adelfia in 1955. The couple had five sons:
 * William Henry (born 1955)
 * Bernardo James (born 1957)
 * Alexander David (born 1959)
 * Nicolas Robin Bartolomeo (born 1960)
 * Lorenzo Patrick Harold (born 1962)

After the couple's divorce in 1988, Smith married Lesley Watson and lived in America, while his first wife continued to live in the Manor House in Hambleden, Buckinghamshire, England. He sold off most of the family estate in 2007.

Smith died of cancer on 2 August 2012 at his home in Reno, Nevada, at the age of 82. His funeral was held on 31 August 2012 at St. Mary the Virgin, Hambleden. Upon his death, his eldest son succeeded to his title.