Ajinomoto
- Country: Japan
- Type: Commercial
- Website: www.ajinomoto.co.jp
- Update: 05-02
(Ajinomoto Co., Inc.) is a Japanese food manufacturer founded in 1925 and headquartered in Chuo-ku, Tokyo, known for inventing monosodium glutamate (MSG). Ajinomoto mainly produces flavor enhancers, amino acids, pharmaceuticals, beverages, and cosmetics.