| Chūō | |
| Official Name: | Chūō Ward |
| Native Name Lang: | ja |
| Settlement Type: | Ward |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 34.7108°N 137.7261°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Chūbu |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Shizuoka |
| Subdivision Type3: | City |
| Subdivision Name3: | Hamamatsu |
| Area Total Km2: | 268.45 |
| Area Note: | population of the area which will be Chūō-ku |
| Population Total: | 608,145 |
| Population As Of: | October 1, 2023 |
| Population Density Km2: | auto |
| Population Note: | population of the area which will be Chūō-ku |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 053-457-2111 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 103-2 Motoshiro-cho, Chūō-ku, Hamamatsu-shi, Shizuoka-ken 430-8652 |
is one of the three wards of Hamamatsu, Shizuoka, Japan, located in the south part of the city. It will encompass the site of Hamamatsu Castle, Lake Hamana and Hamamatsu Station, the central business and residential district. Although its area will be the smallest of the three wards of Hamamatsu, it will have by far the largest population.[1] It will be bordered by Hamana-ku, Kosai, Shizuoka, and Iwata, Shizuoka.