Tröllakirkja
Tröllakirkja stands for:
- Tröllakirkja (Snjófjöll) , a 1001 meter high mountain east of Buðadalur in Iceland
- Tröllakirkja (Laxárdalsfjöll) , a 1000 meter high peak of Laxárdalsfjöll between Blönduós and Sauðárkrókur in Iceland
- Tröllakirkja (Kolbeinsstaðafjall) , a 862 m high summit of Kolbeinsstaðafjall in the former municipality of Kolbeinsstaðir in Iceland
- Tröllakirkja (Hafradalur) , a 941 m high mountain north of Hafradalur and east of Hítarvatn in Iceland