Bidak-e Olya (Persian: بيدك عليا, also Romanized as Bīdak-e ‘Olyā; also known as Bīdak) is a village in Kuh Mareh Khami Rural District, in the Central District of Basht County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 160, in 39 families.