Surname レイン (Rain 
, Lane , Rein , among others...) , throughout the world, is a widespread last name. The cognomen レイン is characteristic of Finland, where it is a common surname, Barbados, and Myanmar (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, Myanmar, and India. Much less frequently, レイン is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raine, Laine, Laing, Rain, Rein, Lane | United Kingdom, Finland, United States, India, Myanmar |
| Layne | United Kingdom, Australia, United States, India, France |
| Rayne | United Kingdom, Australia, United States, India, Myanmar |
| レイン | Japan |