Kolkonjärvi
{{Infobox lake
| name = Kolkonjärvi
| image =
| alt =
| caption =
| image_bathymetry =
| alt_bathymetry =
| caption_bathymetry =
|pushpin_map=Finland
| location =
| coords = {{coord|61.997|N|28.155|E|type:waterbody}}
| type = Lake
| inflow =
| outflow = Kolkonjoki
| catchment = Vuoksi
| basin_countries = Finland
| length =
| width =
| area = {{convert|20.921|km2|abbr=on}}
| depth =
| max-depth =
| volume =
| residence_time =
| shore = {{convert|42.23|km|abbr=on}}
| elevation = {{convert|98.2|m|abbr=on}}
| frozen = December–April
| islands =
| cities = Rantasalmi
}}
Kolkonjärvi is a medium-sized lake in the Vuoksi main catchment area. It is located in the region Southern Savonia of Finland.[http://www.jarviwiki.fi/w/index.php?title=Kolkonj%C3%A4rvi_%2804.242.1.001%29&setlang=en Kolkonjärvi in Järviwiki Web Service]. Finnish Environment Institute. Retrieved 2014-03-09. {{in lang|en}}
In Finland there are 8 lakes that are called Kolkonjärvi. This is the biggest of them.[http://www.jarviwiki.fi/w/index.php?title=Kolkonj%C3%A4rvi&setlang=en Kolkonjärvi-lakes in Järviwiki Web Service]. Retrieved 2014-03-09. {{in lang|en}}