Around the world, Carlo Federico (Carlo Federico 
) is a very rare masculine first name. The first name Carlo Federico is characteristic of Southern Europe, particularly Italy, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Carlo Federico | Costa Rica, Italy, Philippines, Mexico, Ecuador |
Carl Frederik, Carlos Frederico, Charles Frederick, Karl Fredrik, and Karl Friedrich
|
carlo federico grosso Italian lawyer, IT (b. 1937) |
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| carlo federico castiglione Milanese engineer, architect |
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| carlo federico perno researcher |
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