M. Pope Barrow (August 1, 1839 - December 23, 1903) was a United States Senator from Georgia. Born near Stephens, Georgia in Oglethorpe County, he attended a private academy, and graduated from the University of Georgia School of Law in Athens, Georgia in 1860. He was admitted to the bar that year and commenced practice in Athens. During the Civil War, he entered the Confederate service in 1861 and served throughout the war. He resumed the practice of law in Athens and was a member of the State constitutional convention in 1877. He was a member of the Georgia House of Representatives from 1880 to 1881, and was elected as a Democrat to the U.S. Senate in 1882 to fill the vacancy caused by the death of Benjamin H. Hill, serving from November 15, 1882 to March 3, 1883. He was not a candidate for reelection, and resumed the practice of law in Athens. From January 6, 1902 until his death, he was a judge of the eastern judicial circuit of Georgia, and died in Savannah in December 1903; interment was in a private cemetery on the family plantation in Oglethorpe County.
Middleton Barrow was a grandson of Wilson Lumpkin, a U.S. Senator and Governor of Georgia.