Cognomen บุญเนา (Bunnao 
, บุญเนา , Boonnao ) , around the globe, is a rare family name. The cognomen บุญเนา is habitual in Philippines, where it is a rare surname, Thailand, and Italy, where it is an extremely rare surname. In absolute terms, it is commonest in Philippines, Thailand, and the United States. More prevalently, บุญเนา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bunnao | Philippines, Thailand, Italy, United States, Japan |
| Boonnau, บุญเนา | Thailand |
| Boonnao | Thailand, United States |