Frederick Ernest Gilliat-Smith (1858–1935) was an English Catholic poet and author of historical non-fiction.

Gilliat-Smith was born in Woodmansterne, Surrey, on 8 July 1858. He converted to Catholicism in 1879 and pursued a literary career. He married Elinor Cockerell, with whom he had three children, Bernard, Guy^[1] and Monica. After living some years in Bruges, Belgium, he moved to Rome in 1913. He died at home in Newbury, Berkshire, on 22 February 1935.^[2]

Gilliat-Smith was a contributor to the Dublin Review, The Tablet, the American Ecclesiastical Review, the Irish Ecclesiastical Record, Catholic World, and the Catholic Encyclopedia. His independent publications include:

• Songs from Prudentius (London, John Lane, 1898)
• Fantasies from Dreamland (London, 1899)
• Story of Bruges, illustrated by Edith Calvert and Herbert Railton (London, J.M. Dent, 1901).^[3]
• Story of Brussels, illustrated by Katharine Kimball and Guy Gilliat-Smith (London, J.M. Dent, 1906).^[4]
• St. Clare of Assisi (London, J.M. Dent, 1914).^[5]
• Some Notes, Historical and Otherwise, concerning the Sacred Constantinian Order (London, J.M. Dent, 1922).^[6]
• Saint Anthony of Padua according to his contemporaries (London & Toronto, J.M. Dent; New York, E.P. Dutton, 1926).^[7]