Last name Casaseca (Casaseca 
) , globally, is a rare family name. The family name Casaseca is characteristic of Spain, where it is a rare surname, Argentina, and the United States, where it is an extremely rare surname. Also, Casaseca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casaseca | United States, Spain, Argentina |
| josé luis casaseca Spanish chemist, ES (b. 1800) |
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| guillermo sautier casaseca Spanish writer (1910-1980), ES (b. 1910) |
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| arturo almazan casaseca Spanish politician, ES (b. 1911) |
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| bartolomé casaseca botanist (b. 1920) |
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| ignacio almazan casaseca Spanish politician, ES |
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