Mudder
# Mudder

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
