Cognomen Баою (Baoyu 
, Баою 
) , in all the world, is a rare last name. The cognomen Баою is habitual in Singapore, where it is a very rare surname, Malaysia, and China, where it is an extremely rare surname. Predominantly, Баою is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baoyu | Malaysia, China, Singapore, United States, Taiwan |
| Баою | Russia |