Across the world, Preau (Preau 
) is a very rare unisex first name. The first name Preau is characteristic of Western Europe, particularly France, where it is a very rare epicene name. Much more frequently, Preau is the last name as well as the forename.
Mr, Alexe, Aleks, Alain, Andre, Anais, Annie, Arnim, Aimee, Bruno, Karen, Katia, Keith, Kevin, Roger, David, Daisy, Laura, Layne, Jacky, James, Jolie, Serge, Silas, Shawn, Manon, Ms, Kmy, Roy, Guy, Tom, Mary, Sean, Anne, Amie, Kaye, Joël, Paul, Lynn, Jane, Joel, Jean, Eric, Iara, Yoan, Marie, Marcy, Mandy, Ross, and Julie