The former United Reform Church minister, died on Saturday, according to an announcement by the Dalesmen Male Voice Choir in Derbyshire.
Mr Dean was the choir's life president, and helped to found the group in the 1980s.
Mr Dean during the war and when he celebrated his 100th birthday last year
Mr Dean, a former Army chaplain and teacher, survived two World Wars and witnessed 24 British prime ministers come and go.
He was born in Tunstall, Staffordshire, on November 4 1902, and became Britain's oldest man in June 2010 after the death of Stanley Lucas, 110, of Cornwall.
During the Second World War, Mr Dean was stationed in Burma in the Far East, but continued his work as a minister until he retired at the age of 80.
The father-of-one, from Wirksworth in Derbyshire, moved to the county in 1947, after living for a short period in Stratford-on-Avon.
In 1958 he became a teacher at Herbert Strutt School in Belper, Derbyshire, where he worked for 10 years.