Agathonas Iakovidis (Greek: Αγάθωνας Ιακωβίδης; 2 January 1955 – 5 August 2020) was a Greek folk singer of rebetiko style.

He represented Greece in the Eurovision Song Contest 2013 with Koza Mostra and the song "Alcohol Is Free".

His parents were refugees from Asia Minor.

Agathonas has been involved professionally in music since 1973.

On 5 August 2020, Iakovidis was found dead in his bed from a heart attack, aged 65.