Giannakopoulos () is a Greek patronymic surname, meaning "son of Giannakis". The female version of the name is Giannakopoulou (Γιαννακοπούλου). Notable examples include: Christos Giannakopoulos, playwright and lyricist Pavlos Giannakopoulos (1929-2018), Greek businessman Stelios Giannakopoulos (born 1974), Greek footballer Thanassis Giannakopoulos (born c.1930-2019), Greek businessman, chairman of Panathinaikos BC Konstatinos Giannakopoulos, Greek actor Dora Giannakopoulou, Greek singer and author Greek-language surnames Patronymic surnames