Kotlin

Kotlin may refer to:
 * Kotlin, Greater Poland Voivodeship, a village in west-central Poland
 * Kotlin Island, a Russian island near the head of the Gulf of Finland
 * Kotlin (programming language), a general-purpose programming language
 * Kotlin-class destroyer, a class of destroyers built for the Soviet Navy
 * Kotlin, a brand of fruit and vegetable products made by Agros Nova, a Polish company