Komsomolsky District is an administrative and municipal district (raion), one of the seventeen in Khabarovsk Krai, Russia. It is located in the southern central part of the krai. The area of the district is . Its administrative center is the city of Komsomolsk-on-Amur (which is not administratively a part of the district). Population:

Within the framework of administrative divisions, Komsomolsky District is one of the seventeen in the krai. The city of Komsomolsk-on-Amur serves as its administrative center, despite being incorporated separately as a city of krai significance—an administrative unit with the status equal to that of the districts.