Mugui District () is in Fereydunshahr County, Isfahan province, Iran. Its capital is the village of Eslamabad-e Mugui, whose population at the time of the 2016 National Census was 240 people in 69 households.
After the 2016 census, Pishkuh-e Mugui and Poshtkuh-e Mugui Rural Districts were separated from the Central District in the formation of Mugui District.