Cognomen Ченгхаи (Chenghai 
, Ченгхаи 
) , globally, is a very rare family name. The last name Ченгхаи is habitual in Malaysia, where it is an extremely rare surname, Spain, and China. Predominantly, Ченгхаи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chenghai | China, Italy, United States, India, Canada |
| Ченгхаи | Russia |