Surname Locastro (Locastro 
) , around the world, is a rare cognomen. The family name Locastro is habitual in Italy, where it is a rare surname, the United States, and Australia. In absolute terms, the name is most common in the United States, Italy, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Locastro | Italy, Australia, United States, Argentina, France |
|
tim locastro baseball player (1992-), US (b. 1992) |
|
| eve locastro researcher (ORCID 0000-0003-3975-8153) |
|
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| nikko locastro American disc golfer, US (b. 1988) |
|