Family name Castelbranco (Castelbranco 
) , across the world, is quite a rare surname. The surname Castelbranco is characteristic of Angola, where it is quite a rare surname, Portugal, and the United Kingdom, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castelbranco | Portugal, Brazil, United States, United Kingdom, Angola |
| bernardo de castelbranco (b. 1655) |
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eduardo ernesto de castelbranco PT |
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| josé de freitas teixeira spínola de castelbranco Portuguese academic, PT |
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| joão de freitas e mendonça de castelbranco Portuguese politician, PT |
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| joaquim pedro de castelbranco PT |
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Mr, Mário, Carlos, Celcio, Raquel, Dercio, Jacira, Jaziel, Teresa, Eliana, Wilson, Mariano, Marcelo, Manuela, Alcione, Antonio, Claudia, Patrick, Rossano, Ricardo, Daniela, Joaquim, Miguel, Marcos, Haley, Joana, Mã, Sã, Ana, Amy, Rui, Gigi, Joao, Nuno, Vera, Maria, Eduarda, Mario, Suely, Sofia, Carla, Kelly, Pedro, Preta, Dener, Gonã, Luisa, Josã, Sissi, and Isolete