| Mie Kotsu Co., Ltd. | |
| Native Name: | 三重交通株式会社 |
| Native Name Lang: | ja |
| Romanized Name: | Mie Kōtsū kabushiki gaisha |
| Type: | Subsidiary (Kabushiki gaisha) |
| Location City: | Tsu, Mie |
| Location Country: | Japan |
| Area Served: | Mie Prefecture |
| Key People: | Akiyoshi Moriguchi, President |
| Industry: | Bus, taxi, real estate |
| Owner: | Kintetsu Group Holdings |
| Parent: | Mie Kotsu Group Holdings, Inc. |
, also known as, is a public transportation company which operates local and long-distance buses in Mie prefecture, Japan. The company has other ventures, including a taxicab business and real estate. Mie Kotsu used to also own railway lines, but no longer operates in the rail transport sector – Mie Kotsu's former rail assets are now owned by Kintetsu Railway, its parent company.