Last name Ред (Red 
, Redd 
, Ред 
) , throughout the world, is a common cognomen. The last name Ред is characteristic of Algeria, where it is quite a common surname, Brunei, and Macao. Not in comparison with a country's population, this name is the most popular in the United States, Philippines, and Algeria. Likewise, Ред is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Red | Myanmar, United States, Philippines, Democratic Republic of the Congo, Algeria |
| Redd | Myanmar, Indonesia, United States, Philippines, Algeria |
| Ред | Kazakhstan, Ukraine, Kyrgyzstan, Russia, Armenia |