Last name Lasuen (Lasuen 
) , throughout the world, is a rare family name. The cognomen Lasuen is characteristic of Spain, where it is a rare surname, Portugal, and Argentina. Not in comparison with a country's population, it is commonest in Spain, Argentina, and France. Much less frequently, Lasuen is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lasuen | Portugal, France, Argentina, Spain, United States |
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fermin lasuen Spanish Basque missionary to Alta California (1736-1803), ES (b. 1736) |
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juan vicente zengotita bengoa y lasuen ES (b. 1862) |
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| maritxu lasuen Spanish pelotari, ES (b. 1919) |
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| balendin lasuen ES (b. 1924) |
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| enrique horacio de lasuen AR (b. 1953) |
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| fran lasuen ES (b. 1959) |
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| imanol lasuen (b. 1996) |
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Mr, Lance, Larry, Leire, Jorge, Jesus, Nancy, Nerea, Irene, Igone, Wayne, Marian, Michel, Miguel, Susana, Sergio, Alexis, Andres, Andrew, Andoni, Carmen, Claire, Diana, David, Ramon, Pedro, Ana, Jen, Marc, Alex, Ciro, Luis, Jose, Josu, John, Jone, Benoit, Teri, Iker, Ione, Maria, Marta, Miren, Sabin, Susan, Asier, Berta, Patri, Igor, and Rafael