|Full name||Giorgos Koltzos|
|Date of birth||13 September 1976|
|Place of birth||Greece|
|Height||1.75 m (5 ft 9 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 17 July 2010.
Koltzos began playing football with the youth side of Athinaikos F.C. and joined the club's professional team in July 1993. He would spend five seasons in the Greek Superleague with Athinaikos before moving to Paniliakos F.C. in October 1998. Koltzos spent three more seasons in the Superleague with Paniliakos before the club was relegated to the Beta Ethniki.
- Mastrogiannopoulos, Alexander (26 April 2003). "Greece 2000/01". RSSSF.
- "Defender Giorgos Koltzos has ended his stay at Elland Road". FansFC. 2006-10-13. Archived from the original on 2006-10-25. Retrieved 2007-06-24.
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