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Across the world, Bö (Bui
, By
, Boe
) is a common unisex forename. The first name Bö is habitual in Macao, where it is quite a common female name, Vietnam, where it is quite a rare gender-neutral name, and Mongolia, where it is quite a rare male name. Measured by absolute frequency, it is the most numerous in India, Vietnam, and Indonesia. More frequently, Bö is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bui, By | Malaysia, India, Vietnam, Indonesia, United States |
| Boe | Myanmar, Malaysia, France, Indonesia, United States |
| Bö | Algeria, Egypt, Myanmar, United States, Germany |
Bö is also a name for the fictitious and mythical characters: .