Cognomen Nicolais (Nicolais 
) , in the entire world, is a rare last name. The cognomen Nicolais is characteristic of Italy, where it is a rare surname, Austria, and Argentina. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Argentina. Much less frequently, Nicolais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nicolais | Austria, France, Argentina, Italy, United States |
| pierre le nicolais FR (b. 1760) |
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luigi nicolais Italian engineer, politician and teacher, IT (b. 1942) |
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| christina j nicolais researcher |
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| valeria nicolais Italian food technologist, IT |
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| francesca nicolais Italian communications analyst, IT |
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| nicolais borger German actress |
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Mr, Jhon, Nino, Eric, Flor, Maria, Marie, Mario, Marco, Mimma, Juan, Sarah, Sofia, Alana, Angie, Aiden, Aaron, Chris, Carlo, Carla, Carly, Susan, Carol, John, Lynn, Jd, Ana, Jon, Joe, Teo, Mary, Mark, Mike, Andy, Jane, Anna, Ciro, Paul, Raul, Rose, Rich, Greg, Lori, Luis, Luiz, Adam, and Canio