A mudflap is an accessory on wheel wells of a motor vehicle.

Mudflap may also refer to: Mudflap (Transformers), several fictional robot superhero characters in the Transformers robot superhero franchise. Mudflap, a version of the Nike Zeus anti-satellite weapon Mudflap, a tool for detecting dangling pointers Fender (vehicle), American English term for the part of a vehicle body that frames a wheel well

See also Mudflap girl, an iconic symbol appearing on many vehicle mud flaps Fender (vehicle), known in the UK as a mudguard Splash guard (disambiguation)