Observatórium Skalnaté pleso (Skalnaté Pleso Observatory) is an astronomical observatory in Slovakia. There is also a meteorological observatory. It is near Tatranská Lomnica and has IAU observatory code 056. The name means "Rocky Lake" (or better: "Rocky Tarn") .
The observatory produced the popular sky atlas Skalnate Pleso Atlas of the Heavens by A. Becvar.