Judge Jeremiah Watkins Clapp (September 24, 1814 – September 5, 1898) was an American lawyer, planter and politician. He owned cotton plantations in Mississippi and Arkansas, and he served as a judge in the Mississippi legislature from 1856 to 1858. An advocate of the Confederate States of America, he served in the First Confederate Congress from 1862 to 1864. During the American Civil War, he was in charge of Confederate cotton in Mississippi as well as sections of Alabama and Louisiana. After the war, he moved to Memphis, Tennessee, and he served in the Mississippi State Senate from 1878 to 1880.