Ab Alvan Rural District () is in Sar Asiab-e Yusefi District of Bahmai County, Kohgiluyeh and Boyer-Ahmad province, Iran. Its capital is the village of Ab Alvan, whose population at the time of the 2016 National Census was 253 in 59 households.
After the 2016 census, Ab Alvan Rural District was created in Sar Asiab-e Yusefi District.