Kosmach rural territorial hromada () is one of the hromadas of Ukraine, located in Kosiv Raion in the country's western Ivano-Frankivsk Oblast. Its administrative centre is the village of Kosmach.
Kosmach rural hromada has an area of , as well as a population of 9,061 (). It was originally established on 18 December 2016 as an amalgamated hromada before being expanded as part of decentralisation in Ukraine.
There are three villages within the hromada: