Mr. Justice or Mister Justice may refer to

• Mister Justice (comics), a Marvel Comics character
• Mr. Justice, an MLJ Comics / Archie Comics character; see Terrific Three

• Mr. Justice Raffles, a novel
  • Mr. Justice Raffles (film), its film adaptation

• The title in office of judges in various courts in common law jurisdictions, including:
  • High Court judge (England and Wales)
  • Federal and state court judges in Australia
  • Federal and provincial court judges in Canada
  • High Court of New Zealand and Supreme Court of New Zealand judges in New Zealand
  • High Court (Hong Kong) and Court of Final Appeal (Hong Kong) judges in Hong Kong