Bili may refer to:
- An ancient Chinese term, bili (traditional: 篳篥; simplified: 筚篥) for the guan, a wind musical instrument.
- Bili light, a medical therapuetic tool to treat newborn jaundice.
Central African region:
- Bili (town), in a remote north central region of the Democratic Republic of Congo, the former Zaire, in Central Africa.
- Bili Forest near the town, a complex mosaic habitat, rich in a multitude African fauna typifying both savannah and forest habitats.
- Bili Ape, or Bondo Mystery Ape, a large primate native to the forest, apparently displaying a blend characteristics of chimpanzees and gorillas, believed to be a chimpanzee subspecies.