Muck

Muck most often refers to:
 * Muck (soil), a soil made up primarily of humus from drained swampland

Muck may also refer to:

Europe

 * Muck, Scotland, an island
 * Isle of Muck, County Antrim, a small island connected by sand spit to Portmuck, Northern Ireland

Elsewhere

 * Muck Creek, a stream in the U.S. state of Washington
 * Muck Glacier, Queen Maud Mountains, Antarctica

Games

 * Muck (gambling), a number of actions, both legal and illegal
 * Muck (poker), the discard pile or the action of discarding one's hand
 * Multi-User Chat Kingdom or TinyMUCK, a type of text-based multi-user game or chat forum

Other uses in arts, entertainment, and media

 * Muck (film), a 2015 horror film
 * Muck, a red bulldozer/dumper character in the children's television series Bob the Builder
 * "Muck", a song by Dinosaur Jr. from Green Mind, 1991
 * "The Muck", a song by K.Flay from Inside Voices / Outside Voices, 2022

People with the name

 * Christian Muck, Austrian chess player
 * Desa Muck (born 1955), Slovene writer and actor
 * Karl Muck (1859–1940), German conductor
 * Muck Sticky (born 1977), American musician, songwriter, actor and artist

Other uses

 * Muck (mining), sorting out the rich ore from the poor rock in an underground metallic mine after blasting
 * Muck diving, diving into a normally muddy or "mucky" environment