Keiko may refer to: * Keiko (given name), a feminine Japanese given name * Emperor Keiko * Keiko (orca), a performing killer whale best known for the film ''Free Willy'' ** "Keiko" (song), a single by Lucerito dedicated to Keiko the orca * Keiko (musician), the lead vocalist of the Japanese band Globe *Keiko eiga, Japanese tendency film * Keiko O'Brien, fictional character in 1990s ''Star Trek'' TV shows ''The Next Generation'' and ''Deep Space Nine'' * ''Keiko'' (film), a 1979 Japanese film * Keiko, a kind of Japanese armour * Keiko Fujimori, Peruvian politician and daughter of Alberto Fujimori

See also