Last name Tadra (Tadra 
, Тадра 
) , all around the world, is a rare cognomen. The last name Tadra is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Poland, and Ukraine. In absolute terms, it is commonest in Brazil, Poland, and Ukraine. Also, Tadra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tadra | Germany, India, United States, Poland, Brazil |
| Тадра | Russia, Ukraine, Belarus |
|
ferdinand tadra Czech archivist and historian (1844-1910), CZ (b. 1844) |
|
| josef tadra Czech composer and organist, CZ (b. 1877) |
|
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| karel tadra CZ (b. 1879) |
|
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| jan tadra Polish Righteous Among the Nations, PL |
|
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| ewa tadra Polish Righteous Among the Nations, PL |
|