All over the world, Сейлер (Seiler 
, Seyler 
, Сейлер 
) is a rare largely boy's, but uncommonly girly first name. The first name Сейлер is habitual in Switzerland, where it is a rare unisex name, Costa Rica, and Nicaragua. Measured by absolute frequency, this name is the most popular in Mexico, China, and Switzerland. Much more frequently, Сейлер is the last name as well as the forename.