Catherine Fisher (born 1957) is a Welsh writer, broadcaster and adjudicator who lives in Newport.
Fisher's former jobs include working as a primary school teacher and as an archaeologist. She also taught Writing for Children at the University of Glamorgan.
She began writing poetry and had several poems published in anthologies. She also published three collections of her own poetry with Seren Publishing. The collection Immrama won the Welsh Arts Council Young Writers' Prize in 1989. She also won the Cardiff International Poetry Competition in the same year.
Since the late 1980s she has been writing children's fantasy. Her 19 novels have been translated into 17 languages, and many of her works have won or been shortlisted for literary awards.