Last name Matsalu (Matsalu 
) , across the world, is a rare cognomen. The family name Matsalu is characteristic of Northern Europe, particularly Estonia, where it is quite a common surname, Norway, where it is a very rare surname, and Finland. Measured by absolute frequency, this name is the most popular in Estonia, South Africa, and Norway. Much less frequently, Matsalu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Matsalu | Norway, Finland, India, South Africa, Estonia |
| juho matsalu Estonian association football player (1911-1987), EE (b. 1911) |
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| mare matsalu badminton player, EE (b. 1946) |
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| eliisa matsalu EE (b. 1989) |
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