Cognomen Llansa (Llansa 
) , worldwide, is a rare last name. The cognomen Llansa is habitual in Spain, where it is a rare surname, Argentina, and Philippines, where it is a very rare surname. Likewise, Llansa is the forename as well as the last name.
| benito de llansa, duque de solferino (b. 1822) |
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| ponç feliu llansa (b. 1945) |
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