The Central District of Dezful County () is in Khuzestan province, Iran. Its capital is the city of Dezful.
After the 2011 National Census, the villages of Shamsabad and Siah Mansur were elevated to city status. In 2019, the village of Shahrak-e Shahid Mohammad Montazeri was elevated to city status as Montazeran.
At the time of the 2006 census, the district's population was 321,244 in 75,175 households. The following census in 2011 counted 347,261 people in 90,629 households. The 2016 census measured the population of the district as 370,498 inhabitants in 107,399 households.