| Kokubun-ji | |
| Native Name: | 国分寺 |
| Native Name Lang: | ja |
| Map Type: | Japan Osaka Prefecture |
| Coordinates: | 34.7104°N 135.5144°W |
| Religious Affiliation: | Buddhism |
| Location: | Kita-ku, Osaka, Japan |
| Sect: | Mahayana |
| Festivals: | --> |
| Municipality: | Osaka |
| Prefecture: | Osaka Prefecture |
| Organizational Status: | --> |
| Architecture Type: | Buddhist Temple |
| Founded By: | Dōshō |
| Established: | 655 |
| Date Destroyed: | --> |
| Elevation Ft: | --> |
Kokubun-ji (国分寺) is a Buddhist temple in Kita-ku, Osaka, Osaka Prefecture, Japan. It was founded in 655 during the reign of Empress Kōgyoku, and is affiliated with Shingon Buddhism. It is also known as Nagara Kokubun-ji (長柄国分寺).