Indo-Iranian languages are the eastern-most group of the living Indo-European languages. They are well represented among the oldest records of Indo-European languages. These originate around present-day Afghanistan and early on split as some people went west and some went east.
- Sanskrit
- Assamese language
- Bengali language
- Gujarati language
- Hindi language
- Maithili language
- Marathi language
- Nepali language
- Oriya language
- Pali
- Punjabi language
- Romany language - the language of Gypsies
- Sindhi language
- Singhalese language
- Urdu
- Dameli language
- Domaaki language
- Gawar-Bati language
- Kalasha language
- Kashmiri language
- Khowar language
- Kohistani language
- Ningalami language
- Pashayi language
- Phalura language
- Shina language
- Shumashti language
- Ashkun language
- Kamviri language
- Kati language (Bashgali)
- Prasuni language (Wasi-Weri)
- Tregami language
- Waigali language (Kalasha-Ala)
- Persian language
- Avestan (extinct)
- Pahlavi - "Middle Persian"
- Pashto language
- Dari language
- Tajik language
- Ossetian language
- Kurdish language
- Balochi language
- Talysh language
- Tat language
