Lai da Palpuogna

Infobox lake
lake_name = Lai da Palpuogna
image_lake = Lac de Palpuogna Grisons Suisse.jpg
caption_lake =
image_bathymetry =
caption_bathymetry =
location = Bergün, Grisons
coords = coord|46|34|51|N|9|47|07|E|region:CH-GR_type:waterbody|display=inline,title
type = reservoir, natural lake
inflow = Albula
outflow = Albula
catchment =
basin_countries = Switzerland
length = 500 m
width = 100 m
area =
depth =
max-depth = 25 m
volume =
residence_time =
shore =
elevation = 1918 m
islands =
cities =
frozen =

Lai da Palpuogna (Romansh; German: "Palpuognasee") is a mountain lake at Albula Pass in the municipality of Bergün, in the Grisons, Switzerland. In a 2007 television program of the Swiss channel SF 1, the lake was voted the most beautiful place in Switzerland.