John II of Sponheim (born between 1265 and 1270; died 22 February or 29 March 1324) at Starkenburg was a German nobleman from the house of Sponheim.
He succeeded his father, Henry I, Count of Sponheim-Starkenburg.
His son was Henry II of Sponheim-Starkenburg died before him (before 1323).
John II was succeeded by his grandson, John III, Count of Sponheim-Starkenburg.
This article about a member of the German nobility is a stub.