Nymphaea carpentariae is a species of waterlily native to Queensland and Western Australia.

[2] Nymphaea carpentariae is a perennial plant with 4 cm wide, globose to elongate rhizomes.

The 4 cm wide, globose fruits bear spherical too elongate-sherical, 2–3.5 mm long, and 2mm wide seeds with continuous rows of 0.1-0.15 mm long trichomes.

[4] It was first described by Surrey Wilfrid Laurance Jacobs and Carl Barre Hellquist in 2006.

[2][5] The type specimen was collected by Jacobs and Hellquist in Burketown, Queensland, Australia on the 18th of April 2005.