The Crime Syndicate are teams of supervillains from one of DC Comics' parallel universes where they are the evil counterparts of the Justice League. The original team was specifically known as the Crime Syndicate of America and is sometimes abbreviated as CSA. This first superpowered Crime Syndicate team appeared in Justice League of America #29 in August 1964. The primary successive incarnation, known as the Crime Syndicate of Amerika, first appeared in the 2000 JLA: Earth 2 graphic novel.

Secret Society of Super Villains (SSoSV) is a DC Comics title that debuted in May–June 1976. The series presented a group of DC's supervillains, mostly foes of the Justice League of America. The series was cancelled with issue #15 in July 1978, as part of the DC Implosion, a period when DC suddenly cancelled dozens of comics.