Worldwide, Layn (Layn 
) is quite a rare predominantly female, but very infrequently masculine forename. The given name Layn is characteristic of Israel, where it is quite a common female name, Saudi Arabia, where it is a very rare feminine name, and the United States, where it is a very rare largely masculine, but uncommonly female name. Measured by absolute frequency, it is the most numerous in Israel, the United States, and India. Likewise, Layn is the last name as well as the forename.