
Clan Dewar is a Scottish clan.

The Dewar na Ferg is a branch of the Scottish Clan Dewar, originating in Perthshire. They are best known for their claim to be the rightful keepers of Saint Fillan's holy relics; especially the Stone (Ferg).

Dewar's is a brand of single malt and blended Scotch whisky owned by Bacardi, which claims the brand's "White Label" to be the top-selling blended Scotch in the US. Dewar's is also the world's most awarded blended Scotch whisky with more than 1000 medals earned in international competitions.

Henry Evelyn Alexander Dewar, 3rd Baron Forteviot, MBE, was a Scottish businessman. He was the son of John Dewar, 1st Baron Forteviot and Margaret Elizabeth Holland.

John Alexander Dewar, 1st Baron Forteviot was a Scottish businessman, elder son of the founder of Dewar's Scotch Whisky and a Liberal Member of Parliament.

John Dewar, 2nd Baron Forteviot (1885–1947) was a Scottish businessman and soldier, notable as being head of the whisky giant Dewar's and of the Distillers Company and a director of the Bank of Scotland.

Thomas Robert "Tommy" Dewar, 1st Baron Dewar was a Scottish whisky distiller who, along with his brother John Dewar, built their family label, Dewar's, into an international success. They blended their whisky to make it more appealing to the international palate and Dewar demonstrated particular skills in marketing, travelling the world to find new markets and promote his product, exploiting romantic images of Scotland and tartan in his advertising.