M
- M (Marvel Comics)
- Madame .44 (DC Comics)
- Madame Mirage (Top Cow Productions)
- Madame Xanadu (DC Comics)
- The Magdalena (Top Cow Productions)
- Magdalene (Marvel Comics)
- Magik (Marvel Comics)
- Magma (Marvel Comics)
- Maiden Justice
- Manhunter (Kate Spencer) (DC Comics)
- Manitou Dawn (DC Comics)
- Marionette (see Micronauts) (Marvel Comics)
- Marrina (Marvel Comics)
- Marrow (Marvel Comics)
- Marvel Girl (Marvel Comics)
- Mary Marvel (DC Comics)
- Masada (see Youngblood) (various)
- Matilda (Matilda from the Roald Dahl series)
- Kaoru Matsubara (Cartoon Network)
- Aspen Matthews (Aspen Comics)
- Maxima (DC Comics)
- Maximum Ride (novel series and manga)
- Maya (DC Comics)
- Medusa (Marvel Comics)
- Meggan (Marvel Comics)
- The Menagerie (DC Comics)
- Mera (DC Comics)
- Anna Mercury
- Merry, Girl of 1000 Gimmicks (DC Comics)
- Lynn Michaels (a.k.a. "Lady Punisher") (Marvel Comics)
- Lettuce Midorikawa (Tokyo Mew Mew)
- Mighty B
- Nico Minoru (Marvel Comics)
- Mirage (DC Comics)
- Miss America (DC Comics)
- Miss America (Marvel Comics)
- Miss Fury
- Miss Martian (DC Comics)
- Miss Pell (Dexter's Laboratory)
- Mockingbird (Marvel Comics)
- Ichigo Momomiya (Tokyo Mew Mew)
- Moondragon (Marvel Comics)
- Musa (Winx Club)
- Moonstar (Marvel Comics)
- Moonstone (Marvel Comics)
- Monstress (DC Comics)
- Mother-One (see Wetworks) (DC-Wildstorm)
- Motormouth (Marvel Comics)
- Ms. Liberty (Antarctic Press)
- Ms. Marvel (Carol Danvers) (see also Binary and Warbird) (Marvel Comics)
- Ms. Marvel (Sharon Ventura) (see also She-Thing) (Marvel Comics)
- Ms. Mystic (originally Pacific Comics, then Continuity Comics)
- Ms. Victory
Read more about this topic: List Of Superheroines