Captain Jillian "Cowgirl" Pearlman, USAF, is a fictional character in the DC Comics Universe.

She was created by writer Geoff Johns and artist Carlos Pacheco as a rival to Carol Ferris for the romantic affections of Hal Jordan.

The fourth child of a Texan rancher, Jillian enlists in the United States Air Force after she turns nineteen.

[1] Jillian meets Hal Jordan's alter-ego, Green Lantern, after he saves her from a plane crash, and the two soon fall in love.

[7][8][9][10] Following The New 52 continuity reboot, Cowgirl is reintroduced in DC Retroactive, a collection of independent stories set in the 1970s, 1980s, and 1990s.