Groenlandia is a monotypic genus of aquatic plants (pondweed) of the family Potamogetonaceae.

The only species in the genus is Groenlandia densa.

[2] Opposite-leaved pondweed is a common name for this plant.

[3] It is native to much of Europe, western Asia and Maghreb in Africa; despite its name it is not found in Greenland.

This Alismatales-related article is a stub.