Surname 贻琴 (贻琴 
) , all around the world, is a very rare last name. The cognomen 贻琴 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 贻琴 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 贻琴 | China |