Garganta is a fictional comic-book character appearing in A.C.Comics, most particularly Femforce. She is a beautiful blonde who who can can become an enormous giantess whenever she chooses. She also has telepathic and empathic abilities. Her real identity is Dr. Carol Heisler, U.S. governent scientist who was exposed to an experimental strength-enhancing formula.

Garganta originally appeared in a one-off story in 1990 (Femforce #30), but so great was her popularity with readers that she eventually became a regular character. Indeed, the giantess became a recurring motif in Femforce throughout the 1990's and early 2000's: Following the success of Garganta, the superheroines Synn, Nightveil and Tara Fremont were revealed to have size-changing powers (Good Girl Art Quarterly, Summer 1991).

In 2001, Garganta appeared her own comic book "Garganta's Thrilling Science".