Keiko
Keiko may refer to:
- Keiko (given name)
- Keiko (orca), performing killer whale
- "Keiko", single by Lucerito dedicated to Keiko the orca
- Keiko Onuki or Keiko Inoue, in various Battle Royale media
- Emperor Keiko
- Keiko O'Brien, a fictional character in Star Trek franchise on television
- Keiko Yukimura, a fictional character in YuYu Hakusho
- Keiko eiga, Japanese tendency film
- Keiko Yamada, the lead vocalist of the Japanese band globe