|Full name||Georgios Katsikas|
|Date of birth||14 June 1990|
|Place of birth||Thessaloniki, Greece|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|Playing position||Centre back|
|2008–2009||→ Olympiakos Volou (loan)||19||(1)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 22 December 2013.
† Appearances (Goals).
In the summer of 2008 he was loaned out to Olympiakos Volos, then playing in Beta Ethniki, to gain first team experience. He debuted for Olympiakos Volos in the opening game of the 2008-09 season, a 0-0 away draw against Pierikos. He even managed to score for Olympiakos Volos, to help the club grab an 1-1 home draw against Veria. Until the end of the season he totally featured in 19 matches not managing to score any other goals. After his loan spell in Volos Katsikas returned to Iraklis for the 2009-10 season. He could not break into the starting lineup, but nevertheless he made his debut for Iraklis in a cup against Gamma Ethniki side Trikala. Katsikas was sent off in his debut and eventually Iraklis got eliminated by the Cup after lossing the contest by a 1-0 scoreline. In that season he also made his league debut for Iraklis, as he came in for teammate Achilleas Sarakatsanos in the 84th minute, in a 2-0 away defeat from Panathinaikos. In his second season for Iraklis Katsikas featured regularly in the playing squad of the club, playing in 13 of the club's league matches until February. On 9 February 2011 Katsikas suffered a torn cruciate ligament, in a friendly match of Greece U-21, and lost the remainder of the season.
On 14 October 2011 Katsikas signed a four years contract with PAOK, after he was released from Iraklis. On 4 January 2012 he made his debut for the club in 3-1 home win against Levadiakos. He scored his first goal for PAOK against Rapid Wien in August 2012, while his first league goal came into the local derby between PAOK and Aris in a 4-1 win for PAOK.
- "Giorgos Katsikas profile". Iraklis FC Official site. Retrieved 2009-07-07.
- "Γιώργος Κατσικάς: Γέννημα-θρέμμα Ηρακλής" (in Greek). Bluearena.gr. 13 December 2010. Retrieved 10 February 2011.
- "Παναθηναϊκός-Ηρακλής 2-0" (in Greek). Contra.gr. 11 April 2010. Retrieved 10 February 2011.
- "Ρήξη χιαστού ο Κατσικάς, χάνει το υπόλοιπο της σεζόν" (in Greek). Contra.gr. 10 February 2011. Retrieved 10 February 2011.
- "Σοκ με Κατσικά-Χάνει τη σεζόν" (in Greek). Bluearena.gr. 10 February 2011. Retrieved 10 February 2011.
- "Εξι μήνες (τουλάχιστον) εκτός ο Γιώργος Κατσικάς" (in Greek). Iraklis F.C. Official site. 10 February 2011. Retrieved 10 February 2011.
- "PAOK FC signs Katsikas". paokfc.gr. Retrieved 14 October 2011.
- "Match Report Greece Syria 4-0". pescara2009.it. 27 June 2009. Retrieved 10 February 2011.
- "Match Report Italy Greece 3-1". pescara2009.it. 29 June 2009. Retrieved 10 February 2011.
- "Match Report Greece Turkey 1-1". pescara2009.it. 3 July 2009. Retrieved 10 February 2011.
- Giorgos Katsikas at the official page of Iraklis Thessaloniki FC