Nocturna (/nɒkˈtɜːrnə/) is a fictional supervillainess character appearing in comic books published by DC Comics, created by Doug Moench and Gene Colan. The storyline involving her began in Detective Comics #529 (August 1983), and her first appearance was in Batman #363 (September 1983). The pre-Crisis incarnation of Nocturna appeared in the first season of the live-action Arrowverse series Batwoman, portrayed by Kayla Ewell.