Andersen is a surname. It may also refer to:
- Andersen Air Force Base, Guam, a United States Air Force base
- Andersen Corporation, a manufacturer of windows and other building supplies
- Andersen Consulting, former name of Accenture, Plc
- Andersen Press, a publisher
See also
edit- Andersen's disease
- Arthur Andersen, a former tax and consulting firm
- Pea Soup Andersen's, a restaurant chain in California