Last name Tann (Sá 
, Tann 
, تان 
) , globally, is a common surname. The surname Tann is habitual in Portugal, where it is quite a common surname, Guinea-Bissau, and Angola, where it is quite a rare surname. In absolute terms, it is commonest in Portugal, Angola, and Brazil. Very seldom, Tann is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sá | United States, Portugal, Angola, Myanmar, Brazil |
| Tann | United Kingdom, United States, Indonesia, Myanmar, Brazil |
| تان | Saudi Arabia, Algeria, Iraq, Egypt, Sudan |
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konrad von tann German cleric, Bishop of Speyer, DE (b. 1200) |
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| martin von der tann (b. 1493) |
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| eberhard von der tann DE (b. 1495) |
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| conrad von der tann (b. 1498) |
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| alexander von der tann (b. 1502) |
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| christoph von der tann (b. 1514) |
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| conrad von der tann DE (b. 1567) |
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| caspar adolf von der tann (b. 1607) |
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| friedrich von und zu der tann (b. 1610) |
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| christoph caspar freiherr von und zu der tann (b. 1673) |
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| christoph friedrich freiherr von und zu der tann (b. 1697) |
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| ernst ludwig freiherr von und zu der tann (b. 1702) |
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| adalbert freiherr von und zu der tann (b. 1709) |
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| adolph wilhelm freiherr von und zu der tann (b. 1736) |
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| friedrich freiherr von und zu der tann DE (b. 1751) |
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