Last name Selmer-Olsen (Selmer-Olsen 
) , across the world, is a very rare cognomen. The family name Selmer-Olsen is habitual in Norway, where it is quite a rare surname, South Africa, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Selmer, and a last name Olsen.
| VARIANT | COUNTRY |
|---|---|
| Selmer-Olsen | Norway, United States, United Kingdom, South Africa |
| rolf selmer-olsen 27. april 1919, Arendal, Aust-Agder ; 13. november 1989, Trondheim, Sør-Trøndelag (b. 1919) |
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