Around the world, 约斯 (Joos 
, 约斯 
, Jooss 
) is a rare gender-neutral first name. The first name 约斯 is habitual in Western Europe, particularly Belgium, where it is a rare mostly masculine, but seldom female name, Netherlands, where it is a rare gender-neutral name, and Switzerland, where it is a rare male name. Measured by absolute frequency, it is the most numerous in Belgium, Indonesia, and Netherlands. More frequently, 约斯 is the last name as well as the forename.