Little Osage River

{{for|the military conflict|Battle of Mine Creek}}

{{Use American English|date=September 2019}}

{{Use mdy dates|date=September 2019}}

{{Infobox river

| name = Little Osage River

| image = Little Osage River Missouri.jpg

| image_caption = The Little Osage River near Horton, Missouri

| map = Osagerivermap.png

| map_caption = Map of the Osage River watershed showing the Little Osage River

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Kansas, Missouri

| length = {{convert|88|mi|km|abbr=on}}

| discharge1_location= USGS 0691700 at Horton, Missouri{{cite web | title = Water-Data Report 2012 - 0691700 Little Osage River at Horton, MO | publisher = U.S. Geological Survey | url = http://wdr.water.usgs.gov/wy2012/pdfs/06917060.2012.pdf | accessdate = 2015-11-05}}

| discharge1_min = {{convert|0|cuft/s|m3/s|abbr=on}}

| discharge1_avg = {{convert|369|cuft/s|m3/s|abbr=on}}

| discharge1_max = {{convert|43700|cuft/s|m3/s|abbr=on}}

| source_confluence_location = Allen County, Kansas

| source_confluence_coordinates= {{coord|38|01|32|N|95|05|23|W|display=inline}}

| source_confluence_elevation = {{convert|943|ft|abbr=on}}

| mouth = Osage River

| mouth_location = Vernon County, Missouri

| mouth_coordinates = {{coord|38|01|39|N|94|14|39|W|display=inline,title}}{{cite gnis | 474560 | Little Osage River | 2015-11-05}}

| mouth_elevation = {{convert|722|ft|abbr=on}}

| tributaries_right = Limestone Creek, Marmaton River

| custom_label = Watersheds

| custom_data = Little Osage-Osage-Missouri-Mississippi

}}

The Little Osage River is an {{convert|88|mi|km|adj=mid|-long}}U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. [http://viewer.nationalmap.gov/viewer/ The National Map] {{webarchive|url=https://web.archive.org/web/20120329155652/http://viewer.nationalmap.gov/viewer/ |date=2012-03-29 }}, accessed May 31, 2011 tributary of the Osage River in eastern Kansas and western Missouri in the United States. Via the Osage and Missouri rivers, it is part of the watershed of the Mississippi River.

The name was derived from the Osage Nation, whose traditional territory encompassed this area.{{cite news | url=https://news.google.com/newspapers?nid=1906&dat=19760716&id=xdchAAAAIBAJ&sjid=bp8FAAAAIBAJ&pg=1228,4209059&hl=en | title=Names' Past Cloudy | work=Fort Scott Tribune | date=16 July 1976 | access-date=22 April 2015 | author=Lyman, Clifford | pages=13B}}