Janus, in comics, may refer to:
- Janus (Marvel Comics), a Marvel Comics character, the son of Dracula
- Janus the Nega-Man, another Marvel character
- Janus (DC Comics), a DC Comics characters (actually Two-Face)
- Janus (Ultraverse), a character in the Ultraverse
- Janus Directive, a DC Comics crossover event
- Judge Janus, a Judge Dredd character
- Janus (Derangers), a member of Marvel Comics' Derangers
