Sickness

Sickness may refer to:

• Disease
• Nausea
• Sickness behavior

• The Sickness, 2000 album by Disturbed
• The Sickness (novel), 1999 book in the Animorphs series
• Corey Taylor, nicknamed "The Sickness", American heavy metal musician
• (sic)nesses, 2010 video album by Slipknot

• Sick (disambiguation)
• Sicko (disambiguation)