Niphon may refer to:
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Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
(Nippon, Nihon) or the main island
Honshū
, historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the seventh-largest island in the world, and the second-most populous after the Indonesian ...
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Patriarch Nephon I of Constantinople, Ecumenical Patriarch in 1310–1314
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Patriarch Niphon of Alexandria, Greek Patriarch of Alexandria in 1366–1385
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Niphon of Kafsokalyvia (1316–1411), Greek Orthodox saint and hermit
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Patriarch Nephon II of Constantinople (Saint Niphon), Ecumenical Patriarch in 1486–1488, 1497–1498 and 1502
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USS ''Niphon'' (1863), a steam ship of Union Navy in the American Civil War
* ''
Niphon spinosus'' a species of grouper called the
Ara
{{hndis, Niphon