Soppensee

Infobox lake
lake_name = Soppensee
image_lake =
caption_lake =
image_bathymetry =
caption_bathymetry =
location = Canton of Lucerne
coords = coord|47|5|25|N|8|4|51|E|type:waterbody_region:CH-LU_source:dewiki|display=inline,title
type =
inflow =
outflow =
catchment =
basin_countries = Switzerland
length =
width =
area = 0.227 km²
depth =
max-depth = 27 m
volume =
residence_time =
shore =
elevation = 596 m
islands =
cities =

Soppensee is a lake in Canton of Lucerne, Switzerland. The surface area is 0.227 km². The lake and its surroundings are located in the municipalities of Buttisholz, Menznau and Ruswil.