| Huilai | |
| Other Name: | Hweilai |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Guangdong |
| Pushpin Label: | Huilai |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location of the seat in Guangdong |
| Coordinates: | 23.033°N 116.293°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guangdong |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Jieyang |
| Area Total Km2: | 1207 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Huilai County (postal: Hweilai;) is a county covering part of the eastern coast of Guangdong province, China, facing the South China Sea to the south. It lies under the jurisdiction of Jieyang.
The currently under construction Huilai railway station, on the Shantou–Shanwei high-speed railway, will serve the county.