The Dani languages are a family of clearly related Trans–New Guinea languages spoken by the Dani

Dani People

The Dani people, also spelled Ndani, and sometimes conflated with the Lani group to the west, are a people from the central highlands of western New Guinea ....

 and related peoples in the highlands of Irian Jaya. Foley (2003) considers their TNG status to be established. They may be most closely related to the languages of Paniai Lakes

Paniai Lakes languages

The Paniai Lakes languages, also known by the older name Wissel Lakes languages, are a small family of closely related Trans–New Guinea languages spoken in the highlands of Irian Jaya in the Paniai district...

, but this is not yet clear. Capell (1962) had posited that their closest relatives were the Kwerba languages, which Ross (2005) rejects.

The family is traditionally divided into three branches. The Ngalik languages are very poorly attested (Malcolm Ross could not even find pronouns to classify them), so this picture may need revision.

• Dani family
  • Wano language
  • Dani proper: Hupla, Nggem, Walak, Upper Grand Valley Dani, Lower Grand Valley Dani, Mid Grand Valley Dani, Western Dani
    Western Dani language
    Western Dani, or Laani, is the most populous Papuan language in Indonesian New Guinea. The Swart Valley tribes are called Oeringoep and Timorini in literature from the 1920s, but those names are no longer used....
    
    
  • Ngalik branch [little data available]: Nduga, Silimo, Ninia Yali, Pass Valley Yali, Angguruk Yali