Family name Alencastre (Alencastre 
) , throughout the world, is a rare cognomen. The last name Alencastre is characteristic of Peru, where it is quite a rare surname, Portugal, and Argentina, where it is a very rare surname. In absolute terms, it is commonest in Peru, Brazil, and Portugal. Very seldom, Alencastre is the forename as well as the last name.
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| Alencastre | Peru, Portugal, Argentina, Brazil, United States |
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josé martins pereira de alencastre Brazilian politician, BR (b. 1831) |
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| filipe josé dos passos de alencastre Brazilian politician, BR (b. 1793) |
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stephen alencastre Portuguese-American Catholic bishop in Hawaii, PT (b. 1876) |
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| manuel e. alencastre Peruvian politician, PE (b. 1850) |
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andrés alencastre Peruvian politician, PE (b. 1950) |
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| hirma norma alencastre miranda PE (b. 1951) |
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| i alencastre researcher ORCID ID = 0000-0002-5591-5596 |
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| dante alencastre director and filmmaker |
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| pedro alencastre Roman Catholic archbishop |
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Mr, Lisa, Luis, Jose, Josi, Jean, Jeff, Nair, Neli, Edir, Enma, Hugo, Iris, Ilda, Ivan, Yuri, Maria, Mario, Marco, Malen, Sarah, Saulo, Lara, Gina, Dora, Diva, Ms, Ana, Ane, Ava, Luz, Tim, Tã, Ney, Eva, Ivy, Simon, Saul, Aldo, Abel, Ciro, Kayo, Paul, Rosa, Roni, Rene, Rita, Ruth, Alex, and Sonia