Last name Kirspuu (Kirspuu 
) , in all the world, is a rare cognomen. The cognomen Kirspuu is habitual in Northern Europe, particularly Estonia, where it is quite a common surname, Finland, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kirspuu | Finland, United States, Estonia, United Kingdom |
| krista kirspuu Estonian mountaineer, EE (b. 1968) |
|