- Language: Labu
- Alternate names: Labu', Labo, Hapa
- Language code: lbu
- Language family: Austronesian, Malayo-Polynesian, Central-Eastern Malayo-Polynesian, Eastern Malayo-Polynesian, Oceanic, Western Oceanic, North New Guinea, Huon Gulf, Markham, Lower, Labu (SIL classification)
- Number of speakers: 1,600
- Vulnerability: Threatened
School attenders learn English. Yabem (See: [[Yabem]]) was church language, and there were schools in Yabem. Strong economy.
Labu is spoken in Papua New Guinea, Pacific.