Mon-Khmer
- Aheu (Population of approximately 1,770 in Pak Sane Province)
- Alak (Population of approximately 4,000 in southern Laos)
- Arem (Population of approximately 500 in Laos)
- Bo (Population of 2,950 in Laos)
- Bru (Population of approximately 69,000 in Laos)
- Chut (Population of 450 in Khammouan Province)
- Halang Doan (Population of 2,346 in Attopu Province and on the Kasseng Plateau)
- Hung (Population of 2,000 in Bolikhamsai and Khammouan Provinces)
- Ir (Population of 4,420 in Saravan Province)
- Jeh (Population of 8,013 in southern Laos)
- Jeng (Population of 7,320 in Attopu Province)
- Kasseng (Population of 6,000 in southern Laos)
- Katang (Population of 107,350 in Laos)
- Katu (Population of 14,700 in Laos)
- Khlor (Population of 6,000 in Laos)
- Khmer(Population of 10,400 in Laos)
- Khua (Population of 2,000 in Laos)
- Kri
- Kuy (Population of 51,180 in Laos)
- Lavae (also referred to as Brao)
- Lave (Population of 12,750 in Laos)
- Laven (Population of 40,519 in Laos)
- Lavi
- Maleng (Population of 800 in Laos)
- Mon
- Ngae (Population of 12,189 in Laos)
- Nguon
- Nyaheun
- Ong
- Oi
- Pakoh
- Phong
- Sadang
- Salang
- Sapuan
- Makong
- Sok
- Sou
- Souei
- Taliang
- Ta-oi
- Thae
- Tum
- Vietnamese (Population of 76,000 in Laos)
- Yae
Read more about this topic: List Of Ethnic Groups In Laos