Isachsen
Isachsen stands for:
- Isachsen (weather station) , a weather station in Canada
- Isachsenfjella , mountain in Queen Maud Land, Antarctica
Isachsen is the family name of the following people:
- Gunnerius Ingvald Isachsen (1868–1939), Norwegian officer and polar explorer
- Karsten Isachsen (1944–2016), Norwegian theologian and author