can also refer to:
- Osage-orange , ''Maclura pomifera'', a tree of the mulberry family
- Osage Indian Murders (1921-1923), a group of murders investigated and solved by the United States Federal Bureau of Investigation that took place on the Osage Indian Reservation
- Osage River , a tributary of the Missouri River, entirely contained in Missouri, United States
is a part of many placenames in the United States, including:
- Osage, Iowa
- Osage, Oklahoma (also known as Osage City, Oklahoma)
- Osage, West Virginia (near Morgantown, West Virginia )
- Osage, Wyoming
- Osage Beach, Missouri
- Osage City, Kansas
- Osage County, Kansas
- Osage County, Missouri
- Osage County, Oklahoma
- Osage Hills State Park
- Osage Indian Reservation (---Redirect)
- Osage State Fishing Lake
- Osage Township, Illinois
- Osage Township, Minnesota
- Femme Osage (Missouri), location where Daniel Boone settled in 1799
- Fort Osage (Independence, Missouri), a United States Army base built in 1808
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