Family name Mårtensen (Mårtensen 
) , in the entire world, is a very rare last name. The cognomen Mårtensen is characteristic of Northern Europe, particularly Denmark, where it is a rare surname, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Mårtensen | Sweden, Denmark |
Maartensen, Martensson, Marthinsen, Marthinsson, Martienssen, Martinsen, Mortensen, Mortensson, Mårtenson, Mårtensson, Мартинсен, Мартінсен, Мортенсен, Мортенсон, Мортенссон, and מורטנסן
| camilla mårtensen Swedish politician, SE (b. 1970) |
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