| Maruya | |
| Native Name: | Maruya Hatcho Miso Co., Ltd. |
| Founded: | 1337 |
| Industry: | Food |
| Location: | 52-11 Oukan Dori |
| Location City: | 444-0923 Okazaki, Aichi, Aichi Prefecture |
| Location Country: | Japan |
Maruya is the oldest hatcho miso continuous producer in Japan founded in 1337. It is located in Okazaki city in Aichi Prefecture.[1] The production of the miso bean paste is made using traditional methods and Maruya received the ISO9001 certification.[2] Hatcho miso is a type of red miso made using soy, renowned for its dense, rich flavour and relatively low salt content compared with certain types of rice-based miso.[3]