John IV, Count of Sponheim-Starkenburg (born before 1338; died 16 October 1413 or 12 April 1414) was a German nobleman.
He was son of John III, Count of Sponheim-Starkenburg.
He married Elisabeth of Sponheim, daughter of Walram, Count of Sponheim-Kreuznach.
They had one son: John V, Count of Sponheim-Starkenburg (c. 1359 - 1437).
This article about a member of the German nobility is a stub.