These characters are depicted as adversaries of the superhero Aquaman and his family and allies.
Since Aquaman first appeared in More Fun Comics #73 (November 1941), as with most superheroes, a cast of recurring enemies to Aquaman and his family have been introduced throughout the years.
Some of the character's most notable villains include his archenemy, the mercenary Black Manta; his own half-brother the Ocean Master; the humanoid sharks King Shark and Orca; the pirate the Scavenger; Mera's twin sister Siren; and the Trench species, among others.
The following fictional characters are listed in alphabetical order by the name of their supervillain persona.
A number of villains from the comic books have appeared in Aquaman-related media.