|Full name||Konstantinos Iosifidis|
|Date of birth||14 January 1952|
|Place of birth||Vyroneia, Central Macedonia, Greece|
|Playing position||Left defender|
|* Senior club appearances and goals counted for the domestic league only.
Iosifidis spent his entire career from 1971 to 1985 in PAOK FC, playing as a left back. He is the only player in PAOK FC history that has won 4 titles, being part of the squad that won 2 cups in 1972 and 1974 and the 1976 and 1985 Greek league, being also captain in the latter.
After retiring, he managed several teams in Greece, such as Polykastro FC, Anagennisi Karditsas, PAONE, Anagennisi Kolindrou (Division C), Apollon Kalamarias, Naousa FC, Ialisos Rodou, Kalamata FC (Division B) and Kavala FC (Division A).
Since 2005, he is the general manager of PAOK.
- "Immortal Gyula Lorant". paokmania.gr (in Greek). Retrieved 27 October 2010.
- "Iosifidis the whirlwind". paokmania.gr (in Greek). Retrieved 27 October 2010.
- Mastrogiannopoulos, Alexander (2003-06-19). "Greece 1984/85". RSSSF.
- Mamrud, Roberto (2009-10-29). "Greece – Record International Players". RSSSF.
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