Drosera katangensis is a plant species endemic to Haut-Katanga, Democratic Republic of Congo.

D. katangensis is a perennial helophyte, growing in grassy swamps.

It is known from a single collection in 1912, and has not been identified since.

It is threatened by logging, mining concessions, agriculture, and has been assessed as CR by the IUCN under criteria B2ab(iii).

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