Family name Clemensen (Clemensen 
) , all around the world, is a rare cognomen. The cognomen Clemensen is habitual in Denmark, where it is quite a rare surname, Norway, where it is a rare surname, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Clemensen | Norway, Australia, United States, Canada, Denmark |
Clementsen, Clementson, Clemmensen, Klementsen, Klemetsen, Klemetson, and Клемменсен
|
hans henrik clemensen Danish actor, DK (b. 1948) |
|
| bill clemensen Major League Baseball pitcher (1919-1994), US (b. 1919) |
|
|
| susanne clemensen Danish politician (b. 1970) |
|
|
| jane clemensen researcher |
|
|
| hal clemensen American farmer and board member; director at CHS Inc. |
|