Mryn rural hromada (Ukrainian: Мринська сільська громада) is a hromada of Ukraine, located in Nizhyn Raion, Chernihiv Oblast.

Its administrative center is the village of Mryn.

[1] It has an area of 332.0 square kilometres (128.2 sq mi) and a population of 4,062, as of 2020.

[2] The hromada contains 7 settlements, which are all villages:[2]