Aviz Rural District (Persian: دهستان آويز) is in the Central District of Farashband County, Fars province, Iran. Its capital is the village of Aviz.

At the National Census of 2006, its population was 6,836 in 1,451 households. There were 7,366 inhabitants in 1,833 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 8,514 in 2,136 households. The most populous of its 54 villages was Aviz, with 1,389 people.