Surname 俞忠 (俞忠 
) , across the world, is a very rare cognomen. The cognomen 俞忠 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 俞忠 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 俞忠 | China |