Balochi (بلۏچی, romanized: Balòci) is a Northwestern Iranian language, spoken primarily in the Balochistan region of Pakistan, Iran and Afghanistan. In addition, there are speakers in Oman, the Arab states of the Persian Gulf, Turkmenistan, East Africa and in diaspora communities in other parts of the world. The total number of speakers, according to Ethnologue, is 8.8 million. Of these, 6.28 million are in Pakistan.

Balochi varieties constitute a dialect continuum and collectively at least have 10 million native speakers. The main varieties of Balochi are Eastern (Soleimani), Southern (Makrani) and Western (Rakhshani). The Koroshi dialect is a dialect of the Balochi language, spoken mainly in the provinces of Fars and Hormozgan.

According to Brian Spooner,

Literacy for most Baloch-speakers is not in Balochi, but in Urdu in Pakistan and Persian in Afghanistan and Iran. Even now very few Baloch read Balochi, in any of the countries, even though the alphabet in which it is printed is essentially identical to Persian and Urdu.

Balochi belongs to the Western Iranian subgroup, and its original homeland is suggested to be around the central Caspian region.

Balochi is an Indo-European language, spoken by the Baloch and belonging to the Indo-Iranian branch of the family. As an Iranian language, it is classified in the Northwestern group.

Glottolog classifies four different varieties, namely Koroshi, Southern Balochi and Western Balochi (grouped under a "Southern-Western Balochi" branch), and Eastern Balochi, all under the "Balochic" group.

According to Carina Jahani research, ISO 639-3 groups Southern, Eastern, and Western Baloch under the Balochi macrolanguage, keeping Koroshi separate.