| Kostas Konstantinidis | |
| Fullname: | Konstantinos Konstantinidis |
| Height: | 1.87 m |
| Birth Date: | 1972 8, df=yes |
| Birth Place: | Schorndorf, West Germany |
| Position: | Defender |
| Youthyears1: | 1979–1983 |
| Youthclubs1: | VfL Schorndorf |
| Youthyears2: | 1983–1985 |
| Youthclubs2: | VfB Stuttgart |
| Youthyears3: | 1985–1991 |
| Youthclubs3: | Omonia Sindos Thessaloniki |
| Years1: | 1991–1994 |
| Clubs1: | Pierikos |
| Caps1: | 84 |
| Goals1: | 5 |
| Years2: | 1994–1997 |
| Clubs2: | OFI |
| Caps2: | 65 |
| Goals2: | 7 |
| Years3: | 1997–1999 |
| Clubs3: | Panathinaikos |
| Caps3: | 60 |
| Goals3: | 7 |
| Years4: | 1999–2002 |
| Clubs4: | Hertha BSC |
| Caps4: | 48 |
| Goals4: | 2 |
| Years5: | 2002 |
| Clubs5: | → Bolton Wanderers (loan) |
| Caps5: | 3 |
| Goals5: | 0 |
| Years6: | 2002–2004 |
| Clubs6: | Hannover 96 |
| Caps6: | 43 |
| Goals6: | 3 |
| Years7: | 2004–2005 |
| Clubs7: | 1. FC Köln |
| Caps7: | 14 |
| Goals7: | 1 |
| Years8: | 2006–2007 |
| Clubs8: | OFI |
| Caps8: | 35 |
| Goals8: | 1 |
| Years9: | 2007–2008 |
| Clubs9: | Nea Salamis Famagusta |
| Caps9: | 6 |
| Goals9: | 0 |
| Totalcaps: | 358 |
| Totalgoals: | 26 |
| Nationalyears1: | 1995–2003 |
| Nationalteam1: | Greece |
| Nationalcaps1: | 38 |
| Nationalgoals1: | 1 |
| Manageryears1: | 2009–2012 |
| Managerclubs1: | Skoda Xanthi (assistant) |
Kostas Konstantinidis (el|Κώστας Κωνσταντινίδης; born 31 August 1972) is a former professional footballer who works as technical director of Greece national team. A defender, he spent most of his career in Greece and Germany. Born in Germany, he represented Greece internationally.[1]
Konstantinidis was born in Schorndorf, West Germany. As a youth he played for VfB Stuttgart before his family moved to Greece in 1985. Having established himself as a professional player with Pierikos, OFI and Hertha BSC he went on to play in Germany for Hertha BSC, Hannover 96 and 1. FC Köln.
In March 2002 he was loaned to English Premier League side Bolton Wanderers.[2] He made three appearances for the club and was sent off in his second appearance against Everton.[3]
On 10 March 2009, it was announced by Greek Superleague club Skoda Xanthi that Konstantinidis would be their next assistant coach, starting from 1 July.
As of 2011 he was still with Xanthi, as their head of scouting.
In August 2019 he was appointed technical director of the Greece national team.
Hertha Berlin