Last name روچ (Rouge 
, Roach 
, روچ) , all around the world, is a common cognomen. The family name روچ is characteristic of Latin America and the Caribbean, particularly Barbados, where it is a common surname, British Virgin Islands, and Antigua and Barbuda, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, Algeria, and the United Kingdom. Very seldom, روچ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rouge | United Kingdom, United States, France, Algeria, Australia |
| Roach | Canada, United Kingdom, United States, France, Australia |