Family name Jansà (Jansà 
) , worldwide, is a very rare cognomen. The family name Jansà is characteristic of Southern Europe, particularly Spain, where it is a very rare surname.
| joan de jansà Catalan soldier during the War of Spanish Succession, ES (b. 1600) |
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josé maría jansà guardiola meteorologist from Spain, ES (b. 1901) |
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| josep maria baiges i jansà Spanish painter and composer (1924-1991), ES (b. 1924) |
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| margarida jansà researcher |
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