Gikas, also spelled Gkikas or Ghikas (), is a Greek surname. Notable people with the surname include:
Christos Gikas (born 1976), Greek Greco-Roman wrestler Konstantinos Gikas (1913–1980), Greek footballer Nikos Gkikas (born 1990), Greek basketball player Nikos Hadjikyriakos-Ghikas (1906–1994), Greek painter Solon Gikas (1898–1978), Greek Army officer
See also Ghica family Gikas (given name)