Lankao County (simplified Chinese: 兰考县; traditional Chinese: 蘭考縣; pinyin: Lánkǎo Xiàn) is a county of Kaifeng, Henan, China.

It has an area of 1,116 km2 (431 sq mi) and a population of 760,000.

[3] It was the site of the Battle of Lanfeng during the Second Sino-Japanese War.

As 2012, this county is divided to 5 towns and 11 townships.

This Henan location article is a stub.