Worm is an elongated soft-bodied invertebrate animal.

Worm may also refer to:

• Computer worm, a self-propagating piece of malicious software
• Write Once Read Many, or WORM, a characteristic of data storage media
• Worm (marketing), a market-research technique
• Worm (comics), a Marvel Comics character
• "Worm", a song by the band Ministry
• Worm, a science fiction novel by John Brosnan
• Worm, in engineering, a screw-like object that engages with a worm gear
• Ringworm, a fungal disease of the skin
• WORM (AM), a radio station (1010 AM) licensed to Savannah, Tennessee, United States
• WORM-FM, a radio station (101.7 FM) licensed to Savannah, Tennessee
• WORM, a derogatory remark for White Old Republican Males
• Worm, a surname:
• Alfred Worm (1945–2007), Austrian investigative journalist
• Ole Worm, a 16th-century Danish physician

Worms may refer to:

• Worms, Germany, a city in the state of Rhineland-Palatinate
• Worms, the common term for an animal's condition of being infested with parasitic worms, typically roundworm or tapeworm; see Worm
• Worms (series)'', a series of turn-based computer games, including:

* Worms (1995 video game), the first game in the Worms series

* Worms (2007 video game), the Xbox Live Arcade game released on the Xbox 360 (also known as Worms HD)

• Worms?, an abstract computer game.
• Diet of Worms, a diet addressing Martin Luther in 1521
• Banque Worms, a French bank
• Worms, a surname:
• René Worms, French auditor of the council of state and sociologist

See also

• Deworming, the process of treating dogs and other domestic animals for intestinal parasites
• List of fictional worms
• Wyrm, an alternative name for the mythological European dragon