Last name Chiara (Chiara 
, كيارا 
, キアラ 
, among others...) , throughout the world, is a common cognomen. The last name Chiara is characteristic of Italy, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Peru. In absolute terms, the name is most common in Italy, Peru, and Indonesia. More prevalently, Chiara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chiara | Peru, Germany, Paraguay, Italy, United States |
| كيارا | Egypt, Iran, Palestinian Territory |
| キアラ | Japan |
| Кьяра | Russia, Ukraine |
| קיארה | Israel |
| giuseppe chiara Italian Jesuit missionary active in 17th century Japan, IT (b. 1602) |
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| cosme chiara (b. 1616) |
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| giovanni domenico di santa chiara Roman Catholic bishop (b. 1710) |
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| pietro chiara Italian politician, IT (b. 1840) |
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| domenico chiara (b. 1838) |
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luciano chiara Italian astronomer and mathematician (1910-1969), IT (b. 1910) |
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piero chiara Italian writer, IT (b. 1913) |
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| stanislao de chiara IT (b. 1856) |
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| bernardo chiara IT (b. 1863) |
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| biagio chiara Italian poet, translator and literary critic, IT (b. 1880) |
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| pierre chiara (1882-1929), CH (b. 1882) |
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roberto di chiara Argentine journalist, filmmaker, and television producer, AR (b. 1933) |
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| jules-jean-baptiste chiara French military personnel, FR (b. 1889) |
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| stanislao di chiara Italian artistic gymnast, IT (b. 1891) |
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margaret chiara American lawyer, US (b. 1956) |
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Silva, Mancini, Moretti, Messina, Santoro, Colombo, Bianchi, Rinaldi, De Luca, Ferrari, Martino, Castelli, Bernardi, D'Angelo, Giordano, Lombardo, Lombardi, Esposito, Marchetti, Silvestri, Benedetti, Barbieri, Martini, Mariani, Fabbri, Amato, Conte, Conti, Costa, Bruno, Rossi, Ricci, Rizzo, Russo, Gallo, Galli, Gatti, Greco, Leone, Longo, Marino, Marini, Caruso, Barone, Parisi, Romano, Valentini, and Martinelli