Biwong-Bulu is a town and commune in the Mvila department of the South Region of Cameroon.

The name Biwong-Bulu is derived from "Bulu", the name of the main ethnic group of the area, and "Biwong", the Bulu phrase "to gather something rare".

[1] The Biwong-Bulu commune was created from the splitting of the former Ebolowa Rural Commune by presidential decree on April 24, 2007.

The terrain is largely flat, with plains and plateaus and a few hills.

[1] The commune is home to 34,374 inhabitants, resulting in a population density of 23.78 inhabitants per square kilometer (61.6/sq mi).