Don Turnbull (? - August 5, 2003) was a game designer, writer, and computer programmer who was once the head of TSR in the United Kingdom. He was also the founder of Albion magazine, the editor of the Advanced Dungeons & Dragons Fiend Folio, an editor of the Games Workshop Ltd. magazine White Dwarf, the designer of Schweinfurt, and the developer for Kingmaker. He is also credited with starting the first postal Diplomacy game in the United Kingdom in his magazine Albion. He died of cancer in 2003.
In 1974, inducted into the Hall of Fame of the Charles S. Roberts Awards at Origins I.
In 2004, he posthumously won the Kathy Byrne Caruso Award for Lifetime Achievement for founding the United Kingdom Postal Hobby.