Casualty has several meanings:

• Casualty (person), which refers to a person wounded or killed in a war or disaster
• The Casualty Department of a hospital is used for treating Accidents and Emergencies
• Casualty (TV series) is the name of a long-running UK television series, set in a hospital casualty department
• Casualty insurance is a type of insurance; the word casualty is often found in the name of insurance companies

• The Casualties are a punk rock band
• Casualties of War is a 1989 war movie

• Casualties of economy used mostly in anthropological terms when studying economics of societies