Nymphaea sulphurea is a species of waterlily native to Angola, Zambia, and the Democratic Republic of the Congo.

The suborbicular to broadly ovate, petiolate,[3] 4.5-5.5 cm long leaves[4] have an entire margin.

[2] The type specimen was collected by Hugo Baum in Minnesera on 17 January 1900.

[3] The specific epithet sulphurea, from the Latin sulphureus, means yellow,[5][6] and refers to the floral colouration.

[1] Nymphaea sulphurea occurs in rivers, lakes, pools, and in deep waters.