The Central District of Oshnavieh County () is in West Azerbaijan province, Iran. Its capital is the city of Oshnavieh.
At the time of the 2006 National Census, the district's population was 48,482 in 10,263 households. The following census in 2011 counted 54,023 people in 13,698 households. The 2016 census measured the population of the district as 57,628 inhabitants in 15,217 households.