Suppression may refer to:

• Thought suppression, the psychological process of deliberately trying to stop thinking about certain thoughts.
• Suppression of emotion.
• Suppression of behaviour
• Distinct aspects of civil oppression, generally censorship, and non-lethal human rights abuses.
• Appetite suppression
• Symptom suppression, the prevention of the expression of symptoms by allopathic medicines, which is believed to further derange the health