Surname Mäsak (Mäsak 
) , all over the world, is a very rare family name. The last name Mäsak is habitual in Northern Europe, particularly Estonia, where it is a rare surname, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Mäsak | Estonia, Sweden |
|
carl mäsak espérantiste suédois, SE |
|
| tõnu mäsak EE (b. 1936) |
|
|
| carl mäsak researcher |
|