Last name Kaitainen (Kaitainen 
) , around the world, is a rare cognomen. The surname Kaitainen is habitual in Finland, where it is quite a rare surname, Israel, where it is a very rare surname, and Canada, where it is an extremely rare surname. Much less frequently, Kaitainen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaitainen | Israel, Canada, Finland |
| jouni kaitainen Finnish Nordic combined skier, FI (b. 1980) |
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| marja kaitainen FI |
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| tapani kaitainen FI |
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