Giannis Giakoumis (; 1940 â 1986) was a former Greek footballer who played as a midfielder. He also pursued a managerial career.
Born in Thessaloniki, Giakoumis began his football career at . In 1960, he was acquired by PAOK and wore the white-black jersey for ten years (1960âÂÂ70), playing as an attacking midfielder. He made a total of 252 league appearances scoring 41 goals with the White-blacks of the North.
In the summer of 1970, he moved along with his teammate Toulis Mouratidis to Naoussa. In 1974, he joined Panetolikos and ended his career two years later, playing his last season in the top-tier Alpha Ethniki.
After his retirement from active football, Giakoumis pursued a managerial career, having worked at Naoussa, Almopos Aridea (1978), Panetolikos (1979âÂÂ81) and Xanthi (1982âÂÂ84 and 1986). During his tenure at Panetolikos, he suggested to PAOK president Giorgos Pantelakis the signing of Christos Dimopoulos.
Giakoumis suffered a heart attack and died on 20 February 1986, aged 46, while coaching Xanthi from the bench during a game against Kozani (1âÂÂ0). Three months after his passing, a testimonial match was held in his honour between Xanthi and PAOK that ended 3âÂÂ4 <small>(Melissopoulos 19', Kriezis 29', 77' â Iordanidis 6', 50', Orfanos 59', Skartados 65')</small>.