Last name Baltra (Baltra 
) , all over the world, is a rare cognomen. The surname Baltra is habitual in Chile, where it is quite a rare surname, Australia, where it is a very rare surname, and Peru. Measured by absolute frequency, it is the most numerous in Chile, the United States, and Australia. Very seldom, Baltra is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Baltra | China, Australia, Chile, United States, Brazil |
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alberto baltra Chilean politician, CL (b. 1912) |
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mireya baltra Chilean politician, CL (b. 1932) |
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romanina morales baltra CL |
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Mr, Peter, Pedro, Rocã, Diane, Diego, Laura, Lenka, Linda, Jamie, José, Jorge, Junia, Tirso, Nancy, Neila, Elisa, Vilma, Frank, Oscar, Martin, María, Paola, Pablo, Paula, Kevin, Jos, Eli, Mark, Mati, Myra, Anne, Abby, Cata, Bill, Luis, Manuel, Juan, Flor, Igna, Olga, Maria, Mario, Marã, Missy, Sofia, Cheri, Chris, Nora, and Matias