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