Meiko may refer to:
- Meiko (given name)
- Meiko (American singer), born 1982, American singer-songwriter
- Meiko (album), her self-titled album
- Meikō Line, Nagoya Municipal Subway, Japan
- Meiko Nishi Ohashi roadway bridges, Nagoya, Japan
- Meiko Scientific, defunct British supercomputer manufacturer
- Meiko Maschinenbau, dishwashers manufacturer
- Meiko (software), a Japanese Vocaloid from Crypton Future Media and voiced by Meiko Haigō