Rahnishk (Persian: رهنیشک, also Romanized as Rahnīshk, Rahanīshk, and Rahneshk; also known as Rahneg and Ranishk)[1] is a village in Kahshang Rural District, in the Central District of Birjand County, South Khorasan Province, Iran.

At the 2016 census, its population was 82, in 28 families.

[2] This Birjand County location article is a stub.

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