John II, nicknamed the one-eyed (1253–1321) was the ruling count of Holstein-Kiel from 1263 to 1316.

He was younger of the two sons of Count John I, from the Kiel line of the House of Schauenburg.

John II received the area between the Kiel Fjord and the sources of the Alster and the Pinnau.

His nickname refers to an accident where he lost the sight in one eye after an unfortunate throw of a chicken bone by his court jester.

"Seal of John, Count of Holstein" He married Margaret, the daughter of King Christopher I of Denmark and had two sons with her: