| John Koutroumbis | |
| Fullname: | John Koutroumbis |
| Birth Date: | 1998 3, df=yes |
| Birth Place: | Adelaide, Australia |
| Height: | 183cm |
| Position: | Right-back |
| Currentclub: | Motherwell |
| Clubnumber: | 22 |
| Youthclubs1: | West Adelaide |
| Years1: | 2015 |
| Caps1: | 17 |
| Goals1: | 2 |
| Clubs1: | West Adelaide |
| Years2: | 2016 |
| Caps2: | 14 |
| Goals2: | 0 |
| Clubs2: | Adelaide United NPL |
| Years3: | 2016–2021 |
| Caps3: | 90 |
| Goals3: | 3 |
| Clubs3: | Newcastle Jets |
| Years4: | 2021–2022 |
| Caps4: | 17 |
| Goals4: | 1 |
| Clubs4: | Western Sydney Wanderers |
| Years5: | 2022–2024 |
| Caps5: | 40 |
| Goals5: | 0 |
| Clubs5: | Perth Glory |
| Years6: | 2024– |
| Caps6: | 0 |
| Goals6: | 0 |
| Clubs6: | Motherwell |
| Nationalyears1: | 2019 |
| Nationalteam1: | Australia U23 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Club-Update: | 16 June 2024 |
| Ntupdate: | 25 March 2019 |
John "Johnny" Koutroumbis (born 6 March 1998) is an Australian professional soccer player who plays as a right back for club Motherwell.
After initially signing with Newcastle Jets as an injury replacement for Daniel Alessi,[1] on 2 February 2017, Newcastle Jets signed Koutroumbis on a two-year deal.[2] He mutually terminated his contract with the club in July 2021.[3]
In July 2021, Koutroumbis joined Western Sydney Wanderers on a two-year deal.[4] After making 17 league appearances, his contract was mutually terminated in July 2022.[5]
On 29 July 2022, Koutroumbis signed for Perth Glory on a two-year deal.[6] He made 40 appearances for the club, before departing at the end of the 2023–24 season, upon the end of his contract, in order to pursue an overseas opportunity.[7]
On 15 June 2024, it was announced that Koutroumbis would join Scottish Premiership club Motherwell on a free transfer on 1 July, signing a two-year contract.[8]
Born in Australia, Koutroumbis is of Greek descent.
In 2018, Koutrombis was temporarily sidelined after being diagnosed with stage 1 thyroid cancer.[9]