- Osage - a member of the Siouan people formerly living in Missouri in the valleys of the Missouri and Osage rivers; oil was found on Osage lands early in the 20th century
--1 is a kind of Dhegiha
- Osage, Osage River - a river in Missouri that is a tributary of the Missouri River
--2 is a kind of river
--2 is a part of Missouri, Show Me State, MO- Osage - the Dhegiha dialect spoken by the Osage people
--3 is a kind of Dhegiha
- Osage, Osage River - a river in Missouri that is a tributary of the Missouri River