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