Influence may refer to:

• Influence (Law & Order: Special Victims Unit), an episode of the American drama TV series
• A type of electrostatic generator
• Social influence, in interpersonal relationships
• Minority influence, when the minority affect the behavior or beliefs of the majority
• Undue influence, in contract law where one person takes advantage of a position of power over another person
• Sphere of influence, area over which a state has some indirect control
• Office of Strategic Influence, a short-lived American government department
• Driving under the influence, the criminal act of driving while intoxicated

es:Influencia (desambiguación) fr:Influence