Cognomen Бетховен (Beethoven 
, Bethoven 
, Betoven 
) , across the world, is a rare last name. The surname Бетховен is characteristic of Belgium, where it is a rare surname, Uruguay, and Spain. Measured by absolute frequency, it is the most numerous in Indonesia, Mexico, and Spain. More frequently, Бетховен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Beethoven | Democratic Republic of the Congo, Philippines, Haiti, Indonesia, Brazil |
| Bethoven | Democratic Republic of the Congo, Philippines, Indonesia, Dominican Republic, Brazil |
| Betoven | Spain, Philippines, United States, Brazil, Mexico |
| Бетховен | Kyrgyzstan |
Van Beethoven, بتهوفن, and بيتهوفن