| Ōzu | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | Location in Japan |
| Coordinates: | 32.8667°N 182°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Kyushu |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Kumamoto Prefecture |
| Subdivision Type3: | District |
| Subdivision Name3: | Kikuchi |
| Leader Title: | Mayor |
| Leader Title1: | Vice Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 99.09 |
| Population Total: | 33,793 |
| Population As Of: | October 1, 2016 |
| Population Density Km2: | auto |
| Timezone1: | JST |
| Utc Offset1: | +09:00 |
| Blank Name Sec1: | City hall address |
is a town located in Kikuchi District, Kumamoto Prefecture, Japan.
As of October 1, 2016, the town has an estimated population of 33,793 and a density of 340 persons per km2. The total area is 99.09 km2.
The town is known for its Azalea (tsutsuji) Festival in the spring. There is a large Honda factory located near Ozu that employs people from around the world.[1] Ozu is also known for its sweet potatoes (karaimo).[2] The town also has one of the oldest homes in Kikuchi District that opens twice a year for tourists, a racing track, and is located on the edge of the caldera that surrounds Mount Aso.
Ozu was affected by the 2016 Kumamoto earthquakes.