Geki is Japanese for "strike" and may refer to: A male shaman Geki (driver) (1937–1967), pseudonym of Giacomo Russo, an Italian race car driver Juken Sentai Gekiranger, a Japanese television program Geki, a fictional ninja in Street Fighter arcade games Geki/Tyranno Ranger, a fictional character in Kyōryū Sentai Zyuranger tokusatsu television series Bear Geki, a character in Saint Seiya ro:Geki