| Medal record | ||
|---|---|---|
| Sailing | ||
Representing  Argentina
| ||
| Olympic Games | ||
 |
1948 London | 6m class |
Julio Christian Sieburger Hadler (5 March 1892 – ?) was an Argentine sailor and Olympic medalist. He competed at the 1936 and 1948 Olympics.[1] He was born in Buenos Aires.
Sieburger was a member of the Argentine crew on Djinn that received a silver medal in the 6 metre class at the 1948 Summer Olympics in London.[2] His teammates included his brother Enrique Sieburger, Sr. while his son Roberto Sieburger was also competing in a different event (Three Person Keelboat) in the first of his five Olympics.
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