Last name Riisalu (Riisalu 
) , around the globe, is a rare family name. The cognomen Riisalu is characteristic of Northern Europe, particularly Estonia, where it is quite a common surname, and Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Riisalu | Finland, Estonia |
|
aivar riisalu Estonian politician, EE (b. 1961) |
|
|
katre riisalu (b. 1966) |
|
| hella-viiu riisalu (b. 1948) |
|