Beyza Rural District () is in the Central District of Beyza County, Fars province, Iran. It is administered from the city of Beyza.
At the National Census of 2006, its population (as a part of the former Beyza District of Sepidan County) was 13,761 in 3,205 households. There were 12,233 inhabitants in 3,498 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 12,349 in 3,695 households. The largest of its 44 villages was Jian, with 1,905 people.
In October 2019, the district was separated from the county in the establishment of Beyza County and divided into two districts of two rural districts each.