Cognomen 砚青 (Yanqing 
, 砚青 , Yan Qing 
) , worldwide, is a rare family name. The surname 砚青 is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname, Malaysia, and Cambodia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in China, Malaysia, and Indonesia. Much more prevalently, 砚青 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yanqing | Singapore, China, Taiwan, United States, Hong Kong |
| 砚青 | China |
| Yan Qing | Malaysia, Singapore, China, Canada, United States |