Last name Radhay-Singh (Radhay-Singh 
) , all around the world, is an extremely rare family name. The last name Radhay-Singh is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Radhay, and a last name Singh.
| VARIANT | COUNTRY |
|---|---|
| Radhay-Singh | United States |