The National Archives of Belarus (Belarusian: Нацыянальны гістарычны архіў Беларусі, romanized: Natsyyanal'ny histarychny arkhiw Belarusi; Russian: Национальный архив Республики Беларусь, romanized: Natsional'nyy arkhiv Respubliki Belarus') are located in Minsk.

Between 1922 and 1926, the formation of the funds of the Central Archive of the October Revolution began.

The archive is located in the old Church of the Holy Spirit, a former male Orthodox monastery.

On May 28, 1927, the Central Executive Committee and the Council of People's Commissars of the Byelorussian SSR approved by law the creation of the Central Archive of the October Revolution of the BSSR.

The tasks of the CAOR of the BSSR included the storage of documents of the central, state, professional, cooperative, and public organizations and institution of Belarus that had been operating since the February Revolution of 1917.