Cognomen Alfero (Alfero 
) , around the world, is a rare last name. The family name Alfero is characteristic of Italy, where it is a rare surname, Chile, and Indonesia. Measured by absolute frequency, it is the most numerous in Indonesia, Philippines, and Italy. Much less frequently, Alfero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alfero | Argentina, Indonesia, United States, Philippines, Italy |
| giovanni alfero Italian germanist, IT (b. 1888) |
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| maria alfero Italian sprinter (1922-2001), IT (b. 1922) |
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