Georgios Sinas | |
|---|---|
Γεώργιος Σίνας | |
 Contemporary portrait | |
| Born | November 20, 1783 |
| Died | May 18, 1856 (aged 72) |
| Nationality | Austrian, Greek |
| Occupation | Businessman |
| Known for | Banking and benefaction |
| Children | Simon Sinas |
Georgios Sinas (Greek: Γεώργιος Σίνας, German: Georg Sina; 20 November 1783 – 18 May 1856) was an Austrian-Greek entrepreneur and banker. He became a national benefactor of Greece and was the father of another Greek national benefactor, Simon Sinas. He was also the founder of the National Observatory of Athens.