Mudder

Template:Sister project Mudder may refer to:

• A participant in:
  • Mud bogging, a form of off-road motorsport
  • Multi-user dungeon, an online game
  • Obstacle course racing, a sport in which competitors on foot must overcome obstacles including mud
    • Tough Mudder, an endurance event series
• A racehorse that performs well on muddy or wet tracks
• A character in "Jaynestown", an episode of the science fiction television series Firefly
• Mother (pronunciation spelling)
• Marian Mudder, Dutch actor and author