| Conflict: | Battle of Nakatomigawa |
| Partof: | Sengoku period |
| Date: | August 27–28, 1582 |
| Place: | Nakatomigawa, Awa Province (Tokushima), Shikoku |
| Map Type: | Japan Tokushima Prefecture#Japan |
| Map Relief: | yes |
| Result: | Chōsokabe victory |
| Combatant1: | forces of Chōsokabe Motochika |
| Combatant2: | Miyoshi clan |
| Commander1: | Chōsokabe Motochika Kōsokabe Chikayasu |
| Commander2: | Sogō Masayasu |
| Strength1: | 20,000 |
| Strength2: | 5,000 |
| Casualties1: | 600 |
| Casualties2: | 800 |
The was fought on August 27 to August 28 of 1582 on Shikoku island between the Chōsokabe clan and the Miyoshi clan.
The armies met on the banks of the Nakatomigawa on August 27, with the Chōsokabe army of 23,000 men enjoying a clear numerical superiority. The next day Chōsokabe Motochika sent 20,000 of his men against the Miyoshi army across the river and after fierce fighting the Miyoshi were defeated, suffering 800 dead while the Chōsokabe had 600 casualties.[1]