Homer Griswold Barber (November 25, 1830 – March 10, 1909) was a Michigan politician.

[2] Barber used the profit from this endeavor to start a successful career as a merchant.

In 1861, Barber was appointed the Postmaster of Vermontville, a position he held for eleven years.

[2] On November 4, 1870, Barber was elected to the Michigan Senate, where he represented the 20th district from January 4, 1871, to December 31, 1872.

[4] In February 1909, Barber contracted influenza, which lead to his deteriorating health.