Languages by language family/Trans New Guinea
- Note: The language groups marked with (?), including the Trans New Guinea family itself, are those most frequently described and proposed today, but they are still uncertain because some groups may eventually belong to another family.
- Angan (or Kratke Range) languages (?) (see subpage)
- Asmat-Awyu-Ok languages (?) (see subpage)
- Berau Gulf languages (?) (see subpage)
- Chimbu-Wahgi (or Simbu-Wahgi) languages (see subpage)
- Dani (or Baliem Valley) languages (see subpage)
- Enga-Kewa-Huli (or Engan) languages (see below)
- Finisterre-Huon languages (see subpage)
- Greater Binanderean (or Guhu-Oro) languages (see subpage)
- Kainantu-Goroka (or East Highlands) languages (see subpage)
- Kutubuan (or Lake Kutubu) languages (?) (see subpage)
- Madang languages (see subpage)
- Mek (or Goliath) languages (see below)
- Paniai Lakes (or Wissel Lakes) languages (see subpage)