Cognomen Ratera (Ratera 
) , in all the world, is a rare surname. The cognomen Ratera is habitual in Malaysia, where it is a rare surname, Spain, and Tanzania. Not in comparison with a country's population, it is the most numerous in Spain, Philippines, and Malaysia. Likewise, Ratera is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ratera | Philippines, Spain, Tanzania, Malaysia, India |
| mike ratera Spanish comics artist, ES (b. 1960) |
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| jaume riu i ratera Spanish carpenter and composer, ES (b. 1963) |
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| mercè ratera researcher (ORCID 0000-0001-5224-9172) |
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| imma ratera researcher |
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