Ziegler Island (Russian: Остров Циглера; Ostrov Tsiglera) is an island in Franz Josef Land, Russia.
This island is 45 km long, stretching from the NW to the SE. Its area is 448 km2 and it is almost completely unglacierized. The highest point on Ziegler Island is 554 m.
This island was named after New York businessman William Ziegler, leader of the 1901 Baldwin-Ziegler North Pole Expedition, on ships America, Fridtjof and Belgica, and of the 1903-1905 Ziegler-Fiala Polar Expedition.
Ziegler Island is part of the Zichy Land subgroup of the Franz Josef Archipelago.
