Surname Платонова (Платонова 
, Platonova 
) , globally, is a common cognomen. The cognomen Платонова is characteristic of Russia, where it is quite a common surname, Latvia, where it is quite a rare surname, and Belarus. Measured by absolute frequency, the name is most common in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Платонова | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Platonova | Azerbaijan, Sweden, Russia, Moldova, Latvia |
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юлия платонова Russian opera singer, LV (b. 1841) |
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анастасия александровна платонова Russian ice dancer, RU (b. 1986) |
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| платонова, агриппина николаевна RU (b. 1929) |
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| наталья николаевна платонова Russian actor, RU (b. 1946) |
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| платонова, мария андреевна RU (b. 1943) |
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