Katherine Arden Burdine, best known by her pen name Katherine Arden, is an American novelist. She was born in 1987 and is renowned for her Winternight trilogy of fantasy novels, which are set in medieval Russia and have garnered nominations for the Hugo and Locus Awards. She is also the author of the Small Spaces series of horror novels aimed at middle-grade children. The first in this series, Small Spaces, won the Vermont Golden Dome Book Award in 2020.

Katherine was born in Texas and studied French and Russian at Middlebury College. She has had the opportunity to live abroad in both France and Moscow, among other places. Additionally, she has spent time living in Hawaii, where she wrote much of The Bear and the Nightingale. She currently resides in Vermont.