K. Ancrum is an American author of young adult speculative fiction. She was born on June 15, 1991, in Silver Spring, Maryland. Ancrum debuted as a published author with The Wicker King in 2017. Throughout her writing career, Ancrum has received recognition for her work. Her fourth novel, Icarus, published in 2024, won a Lambda Literary Award. Her fifth novel, The Corruption of Hollis Brown, released in 2025, won a Mythopoeic Award.