Otok can refer to:
; Bosnia and Herzegovina
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Otok, Ljubuški, a village in Bosnia and Herzegovina near Ljubuški
; Croatia
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Otok, Vukovar-Srijem County
Otok ( hu, Atak) is a town in eastern Croatia, located 20 km south of Vinkovci, in eastern Slavonia. The settlement gained the status of town by the decision of the Parliament of Croatia on July 13, 2006. At the time, nearby Privlaka was a ...
, a town in eastern Croatia
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Otok, Međimurje County, a village near Čakovec, Croatia
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Otok, Split-Dalmatia County, a village in southern Croatia
; Poland
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Otok, Pajęczno County, a village in Łódź Voivodeship, central Poland
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Otok, Poddębice County, a village in Łódź Voivodeship, central Poland
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Otok, Lower Silesian Voivodeship, a village in southwest Poland
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Otok, Pomeranian Voivodeship, a village in north Poland
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Otok, West Pomeranian Voivodeship, a village in northwest Poland
; Slovenia
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Otok, Cerknica, a village in the Municipality of Cerknica, Slovenia
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Otok, Metlika
Otok () is a village on the left bank of the Kolpa River in the Municipality of Metlika in the White Carniola area of southeastern Slovenia, right on the border with Croatia. The area is part of the traditional region of Lower Carniola and is now ...
, a village in the Municipality of Metlika, Slovenia
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