|Date of birth||28 July 1992|
|Place of birth||Seraing, Belgium|
|Height||1.78 m (5 ft 10 in)|
|Playing position||Winger / Second striker|
|2013||→ Mouscron-Péruwelz (loan)||7||(2)|
|2017–||→ Panathinaikos (loan)||16||(4)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 00:18, 1 June 2017 (UTC).
|This section is empty. You can help by adding to it. (January 2017)|
On 2 July 2012, Klonaridis signed a three-year contract with Lille OSC for a reported fee of €800,000. On 31 January 2013, he joined Belgian Second Division side Mouscron-Péruwelz on loan from Lille.
On 2 September 2013, Klonaridis joined Panathinaikos as a free agent on a four-year deal. On 25 September 2013, he scored on his debut, against Ergotelis F.C. in the Greek Cup. On 10 November 2013, he netted twice in a 2–0 win against Aris F.C. (Thessaloniki). On 14 May 2014, he helped his club claim Greece's second Champions League spot scoring in a 1–1 draw against Atromitos in the playoffs which left Panathinaikos with an unassailable lead at the top of the table with one match left.
At the beginning of 2015–16 season Klonaridis faced injury problems causing him to train separately from the rest of the squad. On 28 October 2015, he scored his first goal for the season, playing in the Greek Cup against Levadiakos. On 3 December 2015, Panathinaikos won 2–1 against Panachaiki at Pampeloponnisiako Stadium thanks to a brace scored by him in the first half. On 23 May 2016, he scored in a 3–0 defeat of rivals AEK Athens reaching 100 appearances with for Panathinaikos.
On 30 January 2017, Klonaridis returned to Panathinaikos, initially on loan but with an option for the Greek club to sign him permanently. On 31 May 2017, his goal and overall positive performance, helped his club to succeed an away 3–2 win against rivals PAOK in the last matchday of the 2016–17 Playoffs depriving them of the possibility to participate in the UEFA Champions League third qualifying round.  
|Club||Season||League||Cup||League Cup||Continental [A]||Others||Total|
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- "Ανακοινώθηκε από τη Λιλ ο Κλωναρίδης". contra.gr.
- "Lille’s sign potential new star Viktor Klonaridis". frenchfootballweekly.com. 2 July 2012. Retrieved 3 July 2012.
- "LOSC : Klonaridis, Badri et Wade prêtés". www.lavoixdunord.fr. 31 January 2013.
- http://www.nzherald.co.nz/sport/news/article.cfm?c_id=4&objectid=11154647 Panathinaikos beats Aris 2-0
- https://www.theguardian.com/football/feedarticle/11342158 Panathinaikos claim Champions League qualifying berth
- Panathinaikos wins Champions League spot
- Κlonaridis abandons training
- Klonaridis stars in Panathinaikos victory
- Στην κορυφή ο Παναθηναϊκός, 3-0 την ΑΕΚ
- Προς Λόκερεν ο Κλωναρίδης
- Χαλάει του Κλωναρίδη στην Λόκερεν
- Επίσημα στη Λανς ο Κλωναρίδης
- "Lens : Klonaridis rentre au Panathinaïkos !" [Lens: Klonaridis returns to Panathinaikos!]. La Voix du Nord (in French). 30 January 2017. Retrieved 30 January 2017.
- ΠΑΟΚ-Παναθηναϊκός 2-3: Έδειξε πόσο βαριά φανέλα έχει!
- Παναθηναϊκός με ψυχή, 3-2 τον ΠΑΟΚ στην Τούμπα
- "V. Klonaridis". Soccerway. Retrieved 2 February 2017.
- "Viktor Klonaridis statistics". ZeroZero. Retrieved 3 July 2012.