The Central District of Tafresh County () is in Markazi province, Iran. Its capital is the city of Tafresh.
At the time of the 2006 National Census, the district's population was 23,938 in 7,647 households. The following census in 2011 counted 25,912 people in 8,372 households. The 2016 census measured the population of the district as 24,913 inhabitants in 8,588 households.