Katthammarsvik (Swedish pronunciation: [kathamaʂˈviːk])[2] is a harbour settlement in Östergarn socken on the island of Gotland, Sweden.

The BCS East-West Interlink undersea cable carrying internet traffic comes ashore at Katthammarsvik.

[3][4] Katthammarsvik had a limestone industry consisting of several kilns that flourished after Gotland came under Swedish rule in 1645.

Burnt lime, limestone and wood products were shipped from the harbour at Katthammarsvik.

This article about a location in Gotland County, Sweden is a stub.