Last name Ratassepp (Ratassepp 
) , in all the world, is a rare family name. The cognomen Ratassepp is characteristic of Estonia, where it is quite a common surname, Germany, where it is an extremely rare surname, and Venezuela. In absolute terms, the name is most common in Estonia, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ratassepp | Germany, Venezuela, Estonia, United States |
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jüri ratassepp (b. 1895) |
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| august ratassepp Estonian engineer, EE (b. 1881) |
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| kalev ratassepp Estonian mathematician and natural scientist, EE (b. 1898) |
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| hugo ratassepp Estonian politician, EE (b. 1907) |
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| arvo ratassepp Estonian conductor and composer, EE (b. 1926) |
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| väino ratassepp Estonian educationalist, EE (b. 1930) |
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| arvo ratassepp Estonian motorcycle racer, EE (b. 1935) |
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| jaak ratassepp Estonian engineer, EE (b. 1948) |
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| jaan ratassepp Estonian rower, EE (b. 1951) |
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