Biohazard 4 Explained

Biohazard 4 may refer to:

• Resident Evil 4, 2005 video game
  • Resident Evil 4 (2023 video game), remake of the 2005 video game
• , the fourth live-action film in the Resident Evil series, released in 2010.
• , the fourth CG film in the Resident Evil series, releasing in 2023
• Biohazard level 4, category to distinguish the severity of biological agents