Accidental may mean:

• Accidental (music)
• Accidental (album), by Fred Frith
• Accidental (biology), a biological phenomenon more commonly known as vagrancy
• Accidental property, a philosophical term

See also

• Accident
• Adventitious, which is closely related to Accidental property, and Accidental (biology)
• Random, which often is used incorrectly where accidental or adventitious would be appropriate.

zh-yue:accidental