Across the world, Lachaux (Lachaux 
) is an extremely rare unknown gender first name. Predominantly, Lachaux is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lachaux | Romania, Australia, Switzerland, United States, France |
Mr, Yann, Yves, Marie, Manon, Sarah, Serge, Sonia, Alain, Andre, Enzo, Annie, Cléa, Ciara, Cyril, Bruno, Karen, Kevin, Robin, Roger, Rémi, Clara, Eric, Elsa, Tony, Ms, Le, Mã, Ana, Cã, Bã, Rey, Guy, Jã, Marc, Alex, Alix, Anne, Axel, Karl, Paul, Rose, Rene, Gill, Jean, Theo, Denis, and David