Shib Ab District () is a former administrative division of Zabol County, Sistan and Baluchestan province, Iran. Its capital was the city of Mohammadabad.
In 2013, the district was separated from the county in the establishment of Hamun County.
At the time of the 2006 National Census, the district's population was 43,374 in 9,809 households. The following census in 2011 counted 41,520 people in 10,623 households.