| Lingao | |
| Other Name: | Limko |
| Pushpin Map: | Hainan |
| Pushpin Map Caption: | Location of the seat in Hainan |
| Settlement Type: | County |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hainan |
| Unit Pref: | Metric |
| Area Total Km2: | 1317 |
| Population As Of: | 1999 |
| Population Density Km2: | auto |
| Population Total: | 399,057 |
| Coordinates: | 19.95°N 109.685°W |
| Timezone: | China standard time |
| Utc Offset: | +8 |
Língāo County (formerly romanised as Limko or Limkao) is an administrative district in Hainan province, China. It is one of the 4 counties of Hainan. Its postal code is 571800, and in 1999, its population was 399,057 people.
Lingao has a tropical savanna climate (Köppen Aw).It borders the subtropical monsoon climate (Köppen Cwa).