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