The Barzanian Planetary Republic was the official government of the Barzan people, situated on Barzan II.

In 2366, the Barzanian Planetary Republic entered into negotiations over the Barzan wormhole with several groups, including the United Federation of Planets. (TNG: "The Price")

The name of the Barzanian government appeared in an okudagram listing the demands of the BPR and the UFP. The okudagram was reproduced in Star Trek: The Next Generation - The Continuing Mission.