USS Edward J. McKeever Jr. (SP-684) was a United States Navy patrol vessel and minesweeper in commission from 1917 to 1919.

Edward J. McKeever Jr. was built as a commercial fishing vessel of the same name by Robert Palmer & Sons at Noank, Connecticut, in 1910.

Assigned the section patrol number 684, she was commissioned the same day as USS Edward J. McKeever Jr. (SP-684).

Assigned to the 4th Naval District, Edward J. McKeever Jr. performed patrol, minesweeping, towing, and transport duties for the rest of World War I.

On 1 September 1919 the fishing steamer went ashore on Sea Flower Reef near Fishers Island, New York.