Henry Evelyn Alexander Dewar, 3rd Baron Forteviot, MBE (23 February 1906 – 25 March 1993), was a Scottish businessman.

He was the son of John Dewar, 1st Baron Forteviot and Margaret Elizabeth Holland and succeeded in 1947 as Baron Forteviot from his half-brother John who died childless.

[1] In 1929 he graduated from St. John's College, University of Oxford, England, with a Bachelor of Arts (B.A.).

[2] They had four children: His daughter Caroline married in 1956 James Carnegie, 3rd Duke of Fife, only son of Princess Maud, Countess of Southesk and great-grandson of King Edward VII.

He is buried with his wife in the family plot at Aberdalgie just west of Perth.