Comics
- Live Wire (comics), several comics-related characters and series including:
- Live Wire (DC Comics) or Garth Ranzz, more commonly known as Lightning Lad, a member of the Legion of Super-Heroes
- Livewire (DC Comics), a former supervillainess, now ally of Superman
- Live Wire (Marvel Comics), a supervillain in the Marvel Comics universe
- Livewires (comics), a Marvel Comics series
- Livewire, a character in the Harbinger comic book
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