Mehran District () is in Bandar Lengeh County, Hormozgan province, Iran. Its capital is the city of Lamazan.
After the 2006 National Census, Dezhgan and Mehran Rural Districts were separated from the Central District in the formation of Mehran District. After the 2011 census, the village of Lamazan was elevated to the status of a city.
At the time of the 2011 census, the district's population was 4,479 households. The 2016 census measured the population of the district as 20,321 inhabitants in 5,377 households.