| Xinyi | |
| Other Name: | Sunyi; Hsini |
| Settlement Type: | County-level city |
| Pushpin Map: | China Guangdong |
| Pushpin Map Caption: | Location in Guangdong |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guangdong |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Maoming |
| Area Total Km2: | 3081 |
| Population: | 1014577 |
| Area Metro Km2: | 3081 |
| Population Metro: | 1014577 |
| Population As Of: | 2020 census[1] |
| Population Density Km2: | auto |
| Population Density Metro Km2: | auto |
| Coordinates: | 22.3549°N 110.9468°W |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 525300 |
| Area Code: | (0)668 |
| Blank Name: | License plate prefixes |
| Blank Info: | Chinese: 粤K |
| Xinyi | |
| P: | Xìnyí |
| Psp: | Sunyi |
| W: | Hsin-i |
Xinyi, alternately romanized as Sunyi, is a county-level city in Guangdong Province, China. It is administered as part of the prefecture-level city of Maoming in the southwestern corner of the province,[2] bordering Guangxi to the west. As of the 2020 census, it had a population of 1,014,577 people. Though its metro area is much smaller with 418,731 inhabitants considered urban.[3]
Under the Qing, Xinyi County formed part of the prefecture of Gaozhou. After the Chinese Civil War, it was reorganized under Maoming.
Xinyi Middle School, the first county school in Xinyi District, was set up in 1916. It is now a national-level model high school.
Facts of overseas Chinese:Xinyi is hometown of around 200,000 ovetseas Chinese, these overseas Chinese mostly settle in Malaysia and Singapore .