Cognomen Bitere (Bitere 
) , in the entire world, is a rare last name. The surname Bitere is habitual in Romania, where it is quite a rare surname, Italy, where it is an extremely rare surname, and Nigeria. Not in comparison with a country's population, it is the most numerous in Romania, the United States, and Nigeria. Much less frequently, Bitere is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bitere | Nigeria, United Kingdom, United States, Romania, Italy |