The Ministry of Justice of Armenia (Armenian: Հայաստանի արդարադատության նախարարություն) is an Armenian government agency which possesses executive authority and executes policies of the Government of Armenia in sectors that are closely associated with laws and regulations.

The Communist Party of Armenia was in-active from 1930 to 1933, of which during those three years, the justice system of Armenia was administered by the Procurator General of the Soviet Union and the Supreme Court of the USSR.

By order of the Supreme Soviet of the USSR of November 2, 1970, the Ministry of Justice of the Armenian SSR was reestablished and became the precursor to the Ministry of Justice of Armenia which was founded in 1991, following the USSR's demise.

The Ministry also oversees the registration of political parties in Armenia.

As of March 2021, there are 91 political parties that are registered with the Ministry of Justice.