Aaron Van Camp (June 23, 1816 – September 15, 1892) was an espionage agent for the Confederate States of America during the American Civil War. He and his son Eugene B. Van Camp were members of the Rose O'Neal Greenhow Confederate spy ring, which in 1861 was broken up by Allan Pinkerton, head of the newly formed Secret Service. At the time of the Civil War, Van Camp was a well-known dentist in Washington, D.C.. After his arrest and imprisonment in the Old Capitol Prison, he was paroled in early 1862. During the remainder of the Civil War, he continued spying for the Confederacy.