Georgios Tziallas (Greek: Γεώργιος Τζιάλλας, born 14 July 1987 in Ioannina) is a Greek rower. He finished 4th in the men's coxless four at the 2012 Summer Olympics.

Georgios Tziallas
Medal record
Representing  Greece
Men's rowing
World Championships
Silver medal – second place 2011 Bled Coxless four
Bronze medal – third place 2010 Karapiro Coxless pair
European Championships
Silver medal – second place 2014 Belgrade Coxless four
Bronze medal – third place 2007 Poznań Coxless four

He was again part of the Greek coxless men's four team at the 2016 Summer Olympics, taking the eighth place.

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