Jo Walton (born December 1, 1964 in Aberdare, Wales) is a Welsh-Canadian fantasy and science fiction writer and poet. She has been published in a number of role-playing game publications, such as Pyramid, mostly in collaboration with her husband at the time, Ken Walton.
In 2002, she won the John W. Campbell Award for Best New Writer. Her novel Ha'penny was a co-winner of the 2008 Prometheus Award.
Note: This appears to be a different person than Joe Walton.