Izzard was a science fiction fandom fanzine edited by Patrick Nielsen Hayden and Teresa Nielsen Hayden.
Izzard was first published in 1982. Nine issues were produced, the last one appearing in 1987. It was nominated for a Hugo Award for Best Fanzine in 1984.
Contributors included Terry Carr (Lighthouse), Steve Stiles, Greg Benford, Ted White, Greg Pickersgill, Avedon Carol, Dave Langford (Ansible), Stu Shiffman, Taral Wayne (DNQ), Ray Nelson and Alexis Gilliland.
Patrick and Theresa Nielsen Hayden were also co-editors of Science Fiction Five Yearly.