Koestlin is a Croatian food company based in Bjelovar, specializing in confectionery products.

Koestlin was founded in 1905 by Croatian Jewish industrialist Dragutin Wolf.

Koestlin is a member of the Mepas group, owned by Bosnia and Herzegovina entrepreneur Mirko Grbešić.

[2] Today, Koestlin ranks second in Croatian confectionery production, accounting for 25%.

The company exports its products to Slovenia, Bosnia and Herzegovina, Macedonia, the United States, Sweden, Canada, Slovakia, the Czech Republic, Romania, Russia, Serbia, Israel, Jordan, Australia, the United Arab Emirates, Bulgaria, Austria and Switzerland.