Walker Brooke (December 25, 1813 – February 18, 1869) was an American politician who served as a Deputy from Mississippi to the Provisional Congress of the Confederate States from 1861 to 1862. He was also a U.S. Senator from 1852 to 1853, representing the state of Mississippi.
Brooke was elected as a Whig to the U.S. Senate to fill the vacancy caused by the resignation of Henry S. Foote and served from February 18, 1852, to March 3, 1853; he was not a candidate for reelection and resumed the practice of law. In 1857 he moved to Vicksburg and continued the practice of law; he was a delegate to the constitutional convention in 1861 and became affiliated with the Democratic Party that year. He was elected a member of the Provisional Congress of the Confederate States from Mississippi in 1861 and served one year; he was then appointed a member of the permanent military court of the Confederate States.