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).

This Hainan location article is a stub.