Cognomen Costanza (Costanza 
, Констанца 
) , all over the world, is a common family name. The last name Costanza is habitual in Italy, where it is quite a rare surname, Belgium, and Argentina. In absolute terms, this name is the most popular in Italy, the United States, and Argentina. Also, Costanza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Costanza | Germany, France, Argentina, Italy, United States |
| Констанца | Russia, Ukraine, Bulgaria |
Constance, Constanza, Constança, Konstancja, Констанция, Констанція, קונסטנס, コンスタンス, and 康诗坦丝
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midge costanza American activist (1932-2010), US (b. 1932) |
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robert costanza American economist, US (b. 1950) |
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| pete costanza Comic creator (1913-1984), US (b. 1913) |
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| salvatore costanza Italian literary scholar (1914-1995), IT (b. 1914) |
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tomas costanza producer, musician, recording artist (b. 1971) |
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george costanza politician in Massachusetts, US, US |
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pascal costanza German computer scientist |
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valentina costanza Italian middle-distance runner, IT (b. 1987) |
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| mary e. costanza American physician and medical researcher (b. 1937) |
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| john costanza American artist and letterer, US (b. 1943) |
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chrissy costanza Lead singer of Against The Current, US (b. 1995) |
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| maria rosaria costanza Italian pedagogist and writer (1957-), IT (b. 1957) |
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| tony costanza American drummer (b. 1968) |
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| charles costanza U.S. Army general (b. 1969) |
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| rouven costanza German actor, DE (b. 1975) |
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