Gustavus Miller Bower (December 12, 1790 – November 17, 1864) was an American U.S. Representative from Missouri.
Born near Culpeper, Virginia, Bower attended the public schools.
He studied medicine in Philadelphia, Pennsylvania, moved to Kentucky prior to 1812 and resided near Nicholasville.
He moved to Monroe County, Missouri, in 1833, settling near Paris, and engaged in the practice of medicine as well as agricultural pursuits.
He was interred in the family burial ground north of Paris, Missouri.