The results of the 2019 Bougainvillean independence referendum are announced. The results are overwhelmingly one-sided. Over 98% of voters vote for Bougainville's independence.

A non-binding independence referendum was held in Bougainville, an autonomous region of Papua New Guinea, between 23 November and 7 December 2019. The referendum question presented a choice between greater autonomy within Papua New Guinea and full independence; voters voted overwhelmingly (98.31%) for independence.

Bougainville, officially the Autonomous Region of Bougainville, is an autonomous region in Papua New Guinea. The largest island is Bougainville Island, while the region also includes Buka Island and a number of outlying islands and atolls. The provisional capital is Buka, on Buka Island.

December 11 is the 345th day of the year in the Gregorian calendar; 20 days remain until the end of the year.