Percy Wyndham Lewis (18 November 1882 – 7 March 1957) was a British writer, painter and critic. He was a co-founder of the Vorticist movement in art and edited BLAST, the literary magazine of the Vorticists.
His novels include Tarr (1918) and The Human Age trilogy, composed of The Childermass (1928), Monstre Gai (1955) and Malign Fiesta (1955). A fourth volume, titled The Trial of Man, was unfinished at the time of his death. He also wrote two autobiographical volumes: Blasting and Bombardiering (1937) and Rude Assignment: A Narrative of my Career Up-to-Date (1950).