Bidokht (Persian: بيدخت)[a] is a city in the Central District of Gonabad County, Razavi Khorasan province, Iran.

At the time of the 2006 National Census, the city's population was 4,823 in 1,392 households.

[6] The 2016 census measured the population of the city as 5,501 people in 1,719 households.

In the center of the town stands Mazār-e Solṭāni, hosting the mausoleum of Solṭān-Alishāh.

In 1979 Islamic revolutionary bands desecrated the mausoleum complex.