Weiser is the name of two towns and a river in the United States:
- Weiser, Idaho
- Weiser Township, North Dakota
- Weiser River
Several individuals have the surname Weiser:
- Conrad Weiser, German pioneer
- Grethe Weiser, German actress
- Johann Conrad Weiser, Sr., German Palatine
- Mark Weiser, chief scientist of Xerox PARC
- Malbim (Meïr Löb ben Jehiel Michel Weiser), Russian rabbi
- Peter M. Weiser, member of the Corps of Discovery
There is also a film by that name:
- Weiser (film) (2001)
There is a book publisher by that name:
- Red Wheel Weiser Conari, a publisher previously known as Weiser or Samuel Weiser, Inc from 1956 to 2000
There is a door lock manufacturer by that name:
- Weiser Lock, begun in 1904