Mathæussen
Mathæussen is a family name for the following people:
- Iver Mathæussen (1869–?), Greenland councilor
- Manasse Mathæussen (1915–1989), Greenland kayaker
- Peter Mathæussen (1892–1949), Greenlandic catechist and councilor
- Samuel Mathæussen (1905–?), Greenlandic catechist and councilor