|Full name||Savvas Gentsoglou|
|Date of birth||19 September 1990|
|Place of birth||Alexandroupoli, Greece|
|Height||1.88 m (6 ft 2 in)|
|Position(s)||Defensive midfielder, Center back|
|2007||→ Panachaiki (loan)||7||(0)|
|2008||→ Nea Ionia (loan)||0||(0)|
|2012–2013||→ Livorno (loan)||34||(0)|
|2013–2014||→ Spezia (loan)||12||(0)|
|2016–2017||→ Hajduk Split (loan)||24||(0)|
|*Club domestic league appearances and goals, correct as of 13 June 2023|
Savvas Gentsoglou was promoted from the AEK Athens youth system to the senior side in 2006, but didn't make his first appearance for AEK until the 2008–09 season. On 25 June 2008, Gentsoglou renewed his contract with AEK until 2014. Gentsoglou was first used as a central defender by coach Dusan Bajevic. Gentsoglou moved to the defensive midfield position in the middle of the 2009–10 season and became a key player of the starting eleven. Gentsoglou scored his first goal for AEK against Atromitos in a 3–2 home win. The following week Gentsoglou scored the equalising goal against Kavala. On 20 May 2010, Gentsoglou signed a new four-year deal.
On 19 January 2012, Gentsoglou joined Italian side Sampdoria. Gentsoglou did not feature for Sampdoria in the 2011–12 season, and was sent out on loan the following season to Serie B squad Livorno to gain playing experience. Gentsoglou made 35 appearances for Livorno, as the side won promotion to Serie A.
Gentsoglou then returned to Sampdoria for the 2013–14 Serie A season, but after again failing to establish himself in the Doria first eleven, he moved on loan to Serie B side Spezia Calcio in January 2014.
On 8 August 2016, the Prva HNL club Hajduk Split announced the signing of Gentsoglou on a twelve-month loan deal from Bari 1908. On 14 August 2016, Gentsoglou made his Hajduk debut, the 5th round of the Prva HNL, playing the first 66 minutes in a 1–1 draw with NK Osijek at Stadion Gradski vrt, before being substituted for Toma Bašić.
On 27 June 2017, after spending a year on loan at Hajduk, Gentsoglou signed a two-year contract with Hajduk, finalizing his move from Bari. On 23 July 2017, he scored his first goal with the club in all competitions in a Prva HNL 2–2 away draw against Inter Zaprešić. On 18 March 2018, he scored in a 3–3 away draw game against NK Osijek.
On 29 January 2020, Savvas Gentzoglou solved his contract with APOEL and signed with Saudi club Al-Adalah until the end of the season, and the contract will be renewed if the club remain in the country's 1st division. On 10 July 2020, he renew his contract with the club until the summer of 2021, with a contract worth €900,000. On 20 August, he opened the score with a penalty kick in a 2–4 home loss against Al Wahda FC.
On 12 June 2021, Lamia from the Greek Super League 1 announced a two-year contract with Gentzoglou.
From 2013 to 2018 was in a relationship with singer Aggeliki Iliadi. On 8 July 2014, Iliadi gave birth to their son, Vasilis Gentsoglou.
- Gentsoglou signs new 4 year deal (GR) Archived 7 June 2012 at the Wayback Machine
- Επίσημα τέλος από ΑΕΚ ο Γκέντσογλου (in greek)
- "Savvas Gentsoglou al Livorno a titolo temporaneo" (in Italian). U.C. Sampdoria. 13 August 2012. Archived from the original on 14 August 2012. Retrieved 13 August 2012.
- Στη Σπέτσια ο Γκέντσογλου (in Greek). sport24.gr. 21 January 2014.
- "Σάββας Γκέντζογλου: σε ποια ομάδα πήρε μεταγραφή λόγω… Ηλιάδη" (in Greek). inewsgr.com. 30 August 2014.
- "Gentsoglou in Ergotelis F.C." chaniapost.eu. 30 August 2014.
- "Στην Μπάρι ο Γκέντσογλου" (in Greek). sport24.gr. 23 June 2015.
- "Savvas Gentsoglou torna in Itala, firma un triennale con il Bari di Davide Nicola" (in Italian). cittadellaspezia.com. 23 June 2015.
- "Στην Χάιντουκ Σπλιτ ο Σάββας Γκέντσογλου" (in Greek). sport24.gr. 8 August 2016.
- "Osijek: Osijek – Hajduk 1:1".
- "Savvas Hajdukov iduće dvije godine" (in Croatian). hajduk.hr. 27 June 2016.
- "Γκολ στην Όσιγιεκ ο Γκέντσογλου" (in Greek). sport24.gr. 18 March 2018.
- "Savvas potpisao za APOEL" (in Croatian). nogometplus.net.
- "Η Al Adalah ανακοίνωσε τον Γκέντσογλου" (in Greek). gazzetta.gr.
- "Ανανέωσε με Αλ Αντάλαχ με συμβόλαιο 900.000 ευρώ ο Γκέντσογλου" (in Greek). sport24.gr.
- "Ανακοίνωσε Γκέντσογλου η Λαμία: «Ήθελα πολύ να επιστρέψω στην Ελλάδα" [Lamia announced Gentzoglou: "I wanted so much to return to Greece"]. sport-fm.gr (in Greek). 12 June 2021. Retrieved 12 June 2021.