Giovanni Costantino (born 3 October 1984) is an Italian football manager.
[2] In 2013, Costantino was appointed as a youth manager of Finnish club FC Futura.
[3] In 2017, he was appointed as assistant manager of Slovak club DAC.
In 2018, he was appointed as an assistant manager of the Hungary national football team.
In 2023, he was appointed manager of Cypriot club Ayia Napa.