Bakoyannis (or Bakoyiannis; ) with the female form being Bakoyanni (or Bakoyianni; ) is a Greek surname. It is the surname of:
Dora Bakoyannis (born 1954), Greek politician and government minister Kostas Bakoyannis (born 1978), Greek politician and regional governor Niki Bakoyianni (born 1968), Greek high-jumper Pavlos Bakoyannis (1935–1989), Greek politician and parliamentary leader