Tizdang-e Olya (, also Romanized as Tëzdang-e 'OlyÃÂ; also known as Tez Dëng and Tëzdëng-e BÃÂlÃÂ) is a village in Mahur Rural District, Mahvarmilani District, Mamasani County, Fars province, Iran. At the 2006 census, its population was 23, in 5 families.