Last name Oidsalu (Oidsalu 
) , around the world, is a very rare cognomen. The cognomen Oidsalu is characteristic of Estonia, where it is quite a rare surname, Latvia, where it is a rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Oidsalu | Latvia, Estonia, France |
| meelis oidsalu Estonian theatre critic, poet, and civil servant, EE (b. 1978) |
|