Debregeasia is a genus of plants in the nettle family Urticaceae native to areas from northern Africa to China, Southeast Asia and Australia.

As of 9 April 2024, eight species are recognised by Plants of the World Online,^[1] as follows:

• Debregeasia australis Friis, Wilmot-Dear & C.J.Chen - Queensland (Australia)
• Debregeasia elliptica C.J.Chen - Yunnan, Guangxi (China), Vietnam
• Debregeasia hekouensis W.T.Wang - Yunnan
• Debregeasia longifolia (Burm.f.) Wedd. - India, Nepal, Tibet, China, Mainland Southeast Asia, Malesia
• Debregeasia orientalis C.J.Chen - Nepal, Tibet, China, Taiwan, Japan
• Debregeasia saeneb (Forssk.) Hepper & J.R.I.Wood - Ethiopia, Eritrea, Saudi Arabia, Yemen, Afghanistan, Pakistan, India, Tibet, Xinjiang (China)
• Debregeasia squamata King ex Hook.f. - Assam (India), southern China, western Malesia
• Debregeasia wallichiana Wedd. - India, Nepal, Bangladesh, Sri Lanka, Andaman Islands, southern China, Cambodia, Vietnam, Laos, Myanmar, Thailand