The Central District of Sari County () is in Mazandaran province, Iran. Its capital is the city of Sari.
In 2010, Rudpey-ye Jonubi and Rudpey-ye Shomali Rural Districts were separated from the district in the formation of Rudpey District.
At the time of the 2006 National Census, the district's population was 395,716 in 107,378 households. The following census in 2011 counted 408,850 people in 123,604 households. The 2016 census measured the population of the Central District as 429,620 inhabitants in 140,492 households.