[[Image:MillenniumKey.jpg|thumb|Millennium Key]]
The '''Millennium Key''', known as the '''Millennium Ankh''' ({{ruby|千|せん}}{{ruby|年|ねん}}{{ruby|錠|じょう}} ''Sennen JōSennenjō'') in the Japanese version, is a [[Millennium Items|Millennium Item]] in the [[Yu-Gi-Oh! (anime)|''Yu-Gi-Oh!'' anime]].
It is in the shape of an ankh, the Egyptian symbol of life, and is the only Millennium Item without the [[Eye of Wdjat]] on it.