Reginald Arkell (14 October 1881 – 1 May 1959) was a British script writer and comic novelist who wrote many musical plays for the London theatre. The most popular of those was an adaptation of the spoof history book 1066 and All That: 1066—and all that: A Musical Comedy based on that Memorable History by Sellar and Yeatman. He was the author of A Cottage in the Country and the Green Fingers series of garden verse.

Arkell was born on 14 October 1882 at Lechlade, Gloucestershire, England, was educated at Burford Grammar School and trained as a journalist. He married actress Elizabeth Evans in 1912. During the First World War he served with the King's Own Yorkshire Light Infantry and The Norfolk Regiment. He also scripted a propaganda comic book, Bosch the soldier, illustrated by Alfred Leete. Arkell died on 1 May 1959 at Cricklade, England.