Vice Admiral Lowell Edwin Jacoby, USN (born August 28, 1945) was the 14th Director of the Defense Intelligence Agency. Previously he was Director for Intelligence (J-2) Joint Staff in the Office of the Chairman of the Joint Chiefs of Staff from 1999 to 2002, and the Director of Naval Intelligence and Commander, Office of Naval Intelligence from 1997 to 1999. He was the Director for Intelligence, U.S. Pacific Command from 1994 to 1997 and Commander, Joint Intelligence Center, Pacific from 1992 to 1994. He was Assistant Chief of Staff, Intelligence, U.S. Pacific Fleet from 1990 to 1992.