Family name โนรัตน์ (Norat 
, โนรัตน์ ) , all around the world, is quite a rare cognomen. The surname โนรัตน์ is habitual in Puerto Rico, where it is quite a rare surname, Bolivia, and Thailand, where it is a rare surname. Measured by absolute frequency, the name is most common in India, the United States, and Thailand. More frequently, โนรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Norat | Thailand, Brazil, Pakistan, United States, India |
| โนรัตน์ | Thailand |