Last name Kotiaho (Kotiaho 
) , in the entire world, is a rare family name. The family name Kotiaho is habitual in Finland, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kotiaho | Finland, United States |
|
jouni kotiaho Finnish politician, FI (b. 1958) |
|
|
janne kotiaho Finnish ecologist, full professor / University of Jyväskylä, FI (b. 1969) |
|
| antti kotiaho researcher |
|