Nymphaea elleniae is a species of waterlily native to Papua New Guinea, and North Queensland, Australia.

[2] Nymphaea elleniae is a perennial plant with elongate rhizomes.

[3] The flowers, which are only open during daytime, can extend up to 20 cm above the water surface.

[2] The type specimen was collected by S. Jacobs & J. Clarkson in Jardine River, Queensland, Australia on the 6th of August 1987.

[3] The NCA status of Nymphaea elleniae is Special Least Concern.