S830 may refer to :

• Canon S830D, a Canon S Series digital camera
• Olympus S830, a microcassette voice recorder

• Universal Electronics, Inc.
• Universal Encyclopedia
• Universal English High School Goregaon West
• Universal Favorite
• Universal F.C. (Uruguay)
• Universal Feature Animation
• Universal Filmed Entertainment Group
• Universal flood
• Universal flu vaccine
• Universal Football Club
• Universal Function Call Syntax
• Universal function (disambiguation)
• Universal gate quantum computing
• Universal Geography of the Taiping Era
• Universal Gleam
• Universal Grammar
• Universal Handbook
• Universal Harvester
• Universal HD
• Universal health coverage by country
• Universal Health Coverage Day
• Universal Health Services, Inc. v. United States ex rel. Escobar
• Universal histories
• Universal Hollywood
• Universal Hollywood Resort