Umbakumba is a community located on Groote Eylandt in the Gulf of Carpentaria, Northern Territory, Australia.

[3] It is one of the three main settlements on the Groote Eylandt archipelago, including Milyakburra and Angurugu, where Anindilyakwa is the predominant spoken language.

[5] Mr Fred H. Gray, a pearl and trepang trader, established the Umbakumba Native Settlement on an old Macassan trading post.

[6] In 1938 Umbakumba became renowned as the service and refuelling base for the Qantas Empire Airways flying boats that travelled the long-haul route between Sydney, Singapore and the south of England.

[9] The Welfare Branch of the Northern Territory government took over running the mission in 1966 due to continuing staff shortages.

Umbakumba is one of the three main settlements on the Groote Eylandt archipelago where Anindilyakwa is the predominant language spoken at home including Milyakburra and Angurugu.