Giannopoulos •
Charis Giannopoulos (born 1989), Greek basketball player •
Kyriakos Giannopoulos (born 1959), Greek water polo player •
Nick Giannopoulos (born 1963), Greek Australian stand-up comedian and actor •
Panagiotis Giannopoulos (born 1972), Greek footballer • (1870–1869), Greek poet •
Stavros Giannopoulos (born 1961), Greek water polo player •
Tasos Giannopoulos (1931–1977), Greek movie actor •
Tout Giannopoulos (born 1964), name used by Estonian basketball player Tiit Sokk, while playing in Greece
Gianopoulos •
Panio Gianopoulos (born 1975), Greek American writer and editor
Gianopulos •
Jim Gianopulos (born 1951), Greek American businessman, CEO of Fox Entertainment Group •
Mimi Gianopulos (born 1989), Greek American film actress, daughter of Jim Gianopulos
Giannopoulou •
Eleni Konsolaki-Giannopoulou, Greek archeologist •
Ifigeneia Giannopoulou (1964–2004), Greek songwriter and author
Yannopoulos •
Dino Yannopoulos (1919–2003), Greek stage director •
Evangelos Yannopoulos (1918–2003), Greek lawyer and socialist politician
Yiannopoulos •
A. N. Yiannopoulos (1928–2017), Greek-born American law professor • (born 1957), Greek-born German screenwriter and novelist •
Milo Yiannopoulos (born Milo Hanrahan 1984), British journalist and commentator