Deborah Alcock (1835–1913) is best known as the author of historical fiction on religious themes.
She was born in Kilkenny, where her father, the Venerable John Alcock, became Archdeacon of Waterford. She lived with her father, writing a memoir of him on his death, and stayed umarried herself. Her work The Spanish Brothers, published in 1870, was set in the 16th century and was a tale of Protestant martyrdom. Other work includes The Czar (1882), set during the French invasion of Russia; Archie’s Chances (1886), and Prisoners of hope (1894).