A mushroom is the fruiting body of a fungus.

Mushroom(s) or The Mushroom may also refer to:

• Mushroom Group, an Australian music and entertainment company
  • Mushroom Pictures, a film production and distribution subsidiary
  • Mushroom Records, a record label subsidiary
• Mushroom Networks, an American telecommunications networking company
• Mushroom Records (Canada), a record label
• Mushroom Studios, a music studio in Vancouver, British Columbia, Canada
• Mushroom TV, a defunct British television company

• The Mushroom (1970 film), French film
• The Mushroom (1997 film), Egyptian film
• Mushrooms (film) or Chatrak, 2011 Indian Bengali film
• "Mushrooms" (Law & Order), television episode

• Mushroom (band), an American musicians' collective in the San Francisco Bay area
• Andrew Vowles, or Mushroom, British musician, founding member of Massive Attack
• Mushroom (album) or the title song, by Eatmewhileimhot, 2012
• "Mushroom" (song), by Can, 1971

• Mushroom (lava flow), a lava flow in Yukon, Canada
• Mushroom Island, Antarctica
• Mushroom Lake, an alpine lake in Custer County, Idaho, US
• Mushroom Peak, a mountain in Alberta, Canada
• The Mushroom, a rock formation in Timna Valley, Israel

• Mushroom (Mario), a type of power-up in Super Mario video games
• Mushroom gene, a gene that affects pigment in horses
• The deformation of various expanding bullets
• Mushroom cloud

• All pages with titles beginning with Mushroom
• All pages with titles containing Mushroom