Yiannis Yiakoumis was a Greek football player of the 1960s - 1970s era.
Yiakoumis started his career at PAO Diikitirio before making the big jump to PAOK Thessaloniki. He was a regular at PAOK for several years in the 1960s and early 1970s.
Yiakoumis died in the mid-1980s.
