Azariel Blanchard Miller (5 September 1878 – 13 April 1941) was an American farmer, rancher, and developer credited with founding the city of Fontana, California, in 1913.

He also attended one year at Claremont College in Pomona, California.

[2] His brother Kempster Blanchard Miller (1870–1933) was an electrical engineer and executive with the Kellogg Switchboard & Supply Company (1899–1904), and wrote what has been considered the seminal textbook on the telephone technology of the time, "American Telephone Practice.

Upon purchasing 17,000 acres in what was first called Rosena in 1905, Miller used 200 horses, mules, plows and scrapers to transform the area into citrus fruit orchards, poultry and cattle farms.

[1] Azariel Blanchard Miller died on 13 April 1941 in Fontana, California, at the age of 62.