George Perkins Foster (October 3, 1835 – March 19, 1879) was a school teacher, Colonel and brevet brigadier general in the Union Army during the American Civil War, and then a United States Marshal.

According to Vermont's military historian, George Benedict, Foster was "of stalwart proportions, and handsome face and figure, he was one of the finest looking officers in the brigade.

While home recuperating from his wounds, he married Sarah Salome Hubbell (1840–1891), of Burlington, on July 5, 1864, in Wolcott, Vermont.

On December 13, 1862, at the Battle of Fredericksburg, Lieutenant Colonel Foster led the 4th Vermont Infantry on the skirmish line in front of Howe's division of the VI Corps.

He was nominated to receive the brevet rank of brigadier general by President Abraham Lincoln on January 1, 1865, "for gallant and meritorious service before Richmond and in the Shenandoah Valley, Virginia," to date from August 1, 1864.