Meiji (Japanese: 明 "bright, brilliant" 治 "reign, government") may refer to:
- Meiji Restoration, the revolution that ushered in the Meiji period
- Meiji period - the period in Japanese history when the Meiji Emperor reigned
- Emperor Meiji of Japan - Mutsuhito, the Meiji Emperor, who reigned during Meiji period
- Meiji Constitution - The Constitution of the Empire of Japan
- Meiji Mura - open-air architectural museum near Nagoya.
- Meiji University - University in Tokyo.
- Meiji Seika - A major confectionery firm in Japan.
- Meiji Yasuda Life Insurance Company - A major life insurance company in Japan.
- Meiji Dairies - A major dairy industry company in Japan.
- Meiji Senmon Gakkou - the former name of Kyushu Institute of Technology
- Meiji Shrine
- Meiji Seamount - a seamount in the northern Pacific Ocean