Kaukuanjärvi
{{Infobox lake
| name = Kaukuanjärvi
| image =
| alt =
| caption =
| image_bathymetry =
| alt_bathymetry =
| caption_bathymetry =
| location = Posio
| coords = {{coord|65|56|N|28|18|E|region:FI_type:waterbody_source:GNS-enwiki}}
| type =
| inflow =
|pushpin_map=Finland Lapland
| outflow =
| catchment = Iijoki
| basin_countries = Finland
| length =
| width =
| area = {{convert|13.02|km2|abbr=on}}
| depth = {{convert|2.62|m|abbr=on}}
| max-depth = {{convert|14|m|abbr=on}}
| volume = {{convert|0.0344|km3|acre.ft|abbr=on}}
| residence_time =
| shore = {{convert|33.47|km|abbr=on}}
| elevation = {{convert|223.4|m|abbr=on}}
| frozen = November–May
| islands =
| cities =
}}
Kaukuanjärvi is a medium-sized lake in the Iijoki main catchment area. It is located in Posio municipality, in the Lapland region in Finland.[http://www.jarviwiki.fi/w/index.php?title=Kaukuanj%C3%A4rvi_%2861.632.1.001%29&setlang=en Kaukuanjärvi in Järviwiki Web Service]. Finnish Environment Institute. Retrieved 2014-03-22. {{in lang|en}}