Family name Tsagaris (Tsagaris 
) , in the world, is a rare cognomen. The cognomen Tsagaris is habitual in Greece, where it is a rare surname, Australia, and Bulgaria. Not in comparison with a country's population, it most frequently occurs in the United States, Greece, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Tsagaris | Germany, Canada, Australia, United States, Greece |
| theodoros tsagaris Ph.D. Imperial College London 2010 |
|