Abstract: This article is dedicated to examination of the activity of the Prosecutor's Office of the Khakas Autonomous Oblast during the Great Patriotic War, with involvement of the archival sources. The object of this research is the Soviet Prosecutor's Office in Khakassia; while the subject is the activity of the Prosecutor's Office of the Khakas Autonomous Oblast during the Great Patriotic War. The goal consists in the analysis of work of the Prosecutor's Office of the Khakas Autonomous Oblast during the wartime. The scientific novelty lies in systematization, generalization of materials on the topic, examination of the activity of Prosecutor's Office on the example of a particular region (Khakas Autonomous Oblast), as well as involvement of archival sources. The conclusion is made on contribution of the employees of Prosecutor's Office in supporting and aiding the front. In the conditions of wartime, the Prosecutor's Office of the Khakas Autonomous Oblast alongside Prosecutor's Office of the USSR as a whole, had to transfer its work onto the “wartime footing”, as well as deal with such activities as the struggle against desertion, protection of the rights of military families. Ensuring law enforcement on the home front was the key task of the Prosecutor’s Office.