The Northwestern Iranian languages are a branch of the Western Iranian language group, spoken by about 40-50 million people in southwest Asia

Southwest Asia

Western Asia, West Asia, Southwest Asia or Southwestern Asia are terms that describe the westernmost portion of Asia. The terms are partly coterminous with the Middle East, which describes a geographical position in relation to Western Europe rather than its location within Asia...

; They are classified into about 9 groups; each group in this list contains subgroups, dialects or individual languages, eventually forming 53-54 branches.

A notable old Iranian language in this group is Median

Median language

The Median language was the language of the Medes. It is an Old Iranian language and classified as belonging to the northwestern Iranian subfamily which includes many other languages such as Azari, Zazaki, Gilaki, Mazandarani, Kurdish and Baluchi.-Attestation:Median is only attested by numerous...

; a notable Middle Iranian language in this group is Parthian

Parthian language

The Parthian language, also known as Arsacid Pahlavi and Pahlavanik, is a now-extinct ancient Northwestern Iranian language spoken in Parthia, a region of northeastern ancient Persia during the rule of the Parthian empire....

Balochi

Balochi language

Balochi is a Northwestern Iranian language. It is the principal language of the Baloch of Balochistan, Pakistan, eastern Iran and southern Afghanistan. It is also spoken as a second language by some Brahui. It is designated as one of nine official languages of Pakistan.-Vowels:The Balochi vowel...

Balochi language

Balochi language

Balochi is a Northwestern Iranian language. It is the principal language of the Baloch of Balochistan, Pakistan, eastern Iran and southern Afghanistan. It is also spoken as a second language by some Brahui. It is designated as one of nine official languages of Pakistan.-Vowels:The Balochi vowel...

 includes: Southern Balochi, Northern Balochi, Eastern Balochi.

And also:

• Bashkardi language
  Bashkardi language
  Bashkardi or Bashagerdi is a northwestern Iranian language spoken in the southeast of Iran in the provinces of Kerman, Sistan and Baluchestan, and Hormozgan....
  
  
• Koroshi language

Caspian

Caspian languages

Caspian languages are a branch of Northwestern Iranian languages spoken in northern Iran, south of the Caspian Sea.Caspian languages include:* Deilami* Gilaki * Mazanderani * Shahmirzadi-External links:*...

• Deilami language
  Deilami language
  The Deilami language , also known as Daylamite, Daylami, Dailamite, or Deylami, is an extinct language which is a member of the northwestern Iranian language branch, of Iranian Languages...
  
  
• Gilaki language
  Gilaki language
  The Gilaki language is a Caspian language, and a member of the northwestern Iranian language branch, spoken in Iran's Gīlān Province.The language is divided into three dialects: Western Gilaki, Eastern Gilaki, and Galeshi . Furthermore, the Gilaki language is closely related to Mazanderani, and the...
  
  
• Mazanderani language
• Shahmirzadi dialect

Central Iran

• Ardestani dialect
• Ashtiani language
• Dari (Zoroastrian)
  Dari (Zoroastrian)
  Dari is a Northwestern Iranian ethnolect spoken as a first language by an estimated 8,000 to 15,000 Zoroastrians in and around the cities of Yazd and Kerman in central Iran...
  
  
• Gazi dialect
• Khunsari dialect
• Khur va Biabanak dialect
• Natanzi dialect
• Nayini dialect
• Parsi
  Persian language
  Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...
  
  
• Sivandi Dialect
  Sivandi language
  Sivandi is an Iranian language spoken in Fars Province, Iran by around 7000 people.- External links :...
  
  
• Soi dialect
• Vafsi dialect

Kurdic languages

Kurdish language

Kurdish is a dialect continuum spoken by the Kurds in western Asia. It is part of the Iranian branch of the Indo-Iranian group of Indo-European languages....

• Soranî
• Kurmanji
• Southern Kurdish
  Southern Kurdish
  Southern Kurdish , also called Kermānšāhi, belongs to the Northwestern Iranian languages and is predominantly spoken in western Iran and eastern Iraq. In Iran, it is spoken in the provinces of Kermanshah and Ilam. In Iraq it is spoken in the region of Khanaqin , all the way to Mandali, Pehle...
  
  
• Laki
  Laki language
  Laki is a Northwestern Iranian language. Although it is usually grouped with Southern Kurdish dialects, Ethnologue classifies it as a fourth subgroup of Kurdish....
  
  

Ormuri-Parachi

• Ormuri language
  Ormuri language
  Ormuri is a member of the Southeastern branch of the Eastern Iranian languages, but attempts to classify Ormuri in the Northwestern Iranian languages have also been made. It is spoken in the city of Kaniguram in South Waziristan, Pakistan by the Burki people. It may also be spoken by a few people...
  
  
• Parachi language
  Parachi language
  The Parachi Language is a member of the Southeastern branch of the Eastern Iranian languages, but attempts to classify Parachi in the Northwestern Iranian languages have also been made. Parachi is spoken by some 600 individuals of the Paracha ethnic group in Afghanistan mainly in the upper part of...
  
  

Semnani

• Lasgerdi dialect
• Sangiseri language
• Semnani language
  Semnani language
  The Semnani languages are a group of Northwestern Iranian languages, spoken in Semnan province of Iran that share many linguistic features and structures with Caspian languages. These languages are also called "dialects" in some sources....
  
  
• Sorkhei dialect

Khalaj language (Iranic)

Khalaj language (Iranic)

Khalaj or Hallaj is an Iranian dialect spoken by some Kurdish communities in northwestern Iran and Republic of Azerbaijan. The name of Hallaj is derived from mystic figure Mansur Al-Hallaj....

Tatic languages

Tati

Tati can refer to:* Tati Concessions Land, in present Botswana* Tati language, a disambiguation page* Tats, an Iranian people* Tati , a stringed instrument used in traditional folk music by the Naga people in North Eastern India and north-western Myanmar* Tati a 2005 album by Italian trumpeter...

• Alviri-Vidari language
  Alviri-Vidari language
  Alviri-Vidari is an Iranian language spoken in Iran, near Saveh in the Markazi Province. It is classified as one of the Northwestern Iranian languages. Its ISO 639-3 code is avd.Its dialects include Alviri and Vidari.Its speakers are Islamic....
  
  
• Eshtehardi language
• Gozarkhani language
• Harzani language
• Kabatei language
• Kajali language
• Karingani dialect
• Khoini dialect
• Koresh-e Rostam dialect
• Maraghei dialect
• Razajerdi dialect
• Rudbari dialect
• Shahrudi dialect
• Takestani dialect
• Talysh language
  Talysh language
  The Talyshi language is a Northwestern Iranian language spoken in the northern regions of the Iranian provinces of Gilan and Ardabil and the southern regions of the Republic of Azerbaijan. Historically, the language and its people can be traced through the middle Iranian period back to the ancient...
  
  
• Upper Taromi language

Zaza-Gorani

• Bajelani
• Dimli (zazaki)
  Dimli
  Dimli is an Indo-European language spoken primarily in eastern Turkey. According to Ethnologue, the language is a part of the northwestern group of the Iranian section of the Indo-European....
  
  
• Gorani
  Gorani language
  Gorani is a Northwestern Iranian language, that includes Hewrami, and is spoken by Kurdish populations in the southernmost parts of Iranian Kurdistan and the Iraqi Kurdistan region. Some linguists classify it as a member of the Zaza–Gorani branch of the Northwestern Iranian languages...
  
  
• Kirmanjki
• Shabaki
• Sarli