List of proto-languages

Below is a partial list of proto-languages that have been reconstructed, ordered by geographic location.

Africa[]

- Proto-Northwest Caucasian
  - Proto-Abazgi
  - Proto-Circassian
- Proto-Kartvelian
  - Proto-Georgian-Zan
Proto-Basque
Proto-Indo-European
- Proto-Anatolian
- Proto-Albanian
- Proto-Greek
- Proto-Armenian
- Proto-Indo-Iranian
  - Proto-Indo-Aryan
  - Proto-Iranian
- Proto-Balto-Slavic
  - Proto-Baltic
  - Proto-Slavic
- Proto-Celtic
- Proto-Germanic
  - Proto-Norse
- Proto-Italic
  - Proto-Romance

Proto-Altaic
- Proto-Turkic
- Proto-Mongolic
- Proto-Tungusic
- Proto-Koreanic
- Proto-Japonic
Proto-Uralic
- Proto-Finno-Ugric [ru]
- Proto-Finnic (Proto-Balto-Finnic)
- Proto-Samic
- Proto-Samoyed
Proto-Chukotko-Kamchatkan
Proto-Indo-European
- Proto-Tocharian

Proto-Pama–Nyungan
- Proto-Arandic
- Proto-Thura-Yura
Proto-Trans–New Guinea (list)
Proto-Austronesian (list)
- Proto-Malayo-Polynesian
  - Proto-Philippine
  - Proto-Oceanic
    - Proto-Polynesian
Proto-Kra–Dai
- Proto-Kra (list)
- Proto-Kam–Sui (list)
- Proto-Tai (list)
- Proto-Hlai (list)
Proto-Sino-Tibetan
- - Proto-Min
- Proto-Tibeto-Burman (list)
  - Proto-Loloish
  - Proto-Karenic
Proto-Hmong–Mien (list)
Proto-Austroasiatic
- Proto-Aslian (list)
- Proto-Khmeric (list)
- Proto-Palaungic (list)
- Proto-Viet-Muong

These are hypothetical proto-languages that cannot be substantiated using the scientific methods of comparative linguistics.