Cognomen Viikari (Viikari 
) , throughout the world, is a rare last name. The family name Viikari is habitual in Finland, where it is quite a rare surname, Australia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Much less frequently, Viikari is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viikari | Australia, Thailand, China, Finland |
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vilho viikari FI (b. 1905) |
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| sauli viikari Finnish professor, FI (b. 1918) |
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| auli viikari Finnish professor, FI (b. 1937) |
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| matti viikari Finnish historian, FI (b. 1943) |
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| jorma viikari researcher (b. 1947) |
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| liisa viikari FI (b. 1949) |
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| lotta viikari Finnish professor, FI (b. 1974) |
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| seppo viikari FI |
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| ville viikari researcher |
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