Roland Diggle (January 1, 1885 – January 13, 1954) was an English-born, American organist and composer who wrote and arranged an enormous number of published pieces, and who served for forty years as organist and choirmaster at St. John's Episcopal Church of Los Angeles, California.
Roland Diggle was born in England, and he was educated at the Royal College of Music in London.
He moved to the USA in 1904 where he became a tireless advocate of organ music. During his lifetime he wrote or arranged over 500 organ compositions. He was well known in national and international music circles and his works have been published both in the U.S. and abroad. He served for forty years as organist and choirmaster at St. John's Episcopal Church of Los Angeles, California, and he presented recitals at both the San Diego and San Francisco World's Fair Expositions.
He died in Los Angeles, California, and is buried at Angelus Rosedale Cemetery.