The Central District of Najafabad County () is in Isfahan province, Iran. Its capital is the city of Najafabad.
After the 2006 National Census, the village of Jowzdan was elevated to the status of a city.
At the time of the 2006 census, the district's population wa 254,672 in 67,106 households. The following census in 2011 counted 274,393 people in 79,768 households. The 2016 census measured the population of the district as 293,275 inhabitants in 90,158 households.