Surname Louwsma (Louwsma 
) , all around the world, is a rare cognomen. The last name Louwsma is habitual in Netherlands, where it is quite a rare surname, Czechia, where it is a rare surname, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Louwsma | Netherlands, United States, South Africa, Czechia |
| jelger louwsma researcher |
|
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| joel louwsma Ph.D. California Institute of Technology 2011 |
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