Sihong County (simplified Chinese: 泗洪县; traditional Chinese: 泗洪縣; pinyin: Sìhóng Xiàn) is under the administration of Suqian, Jiangsu province, China.

It borders the prefecture-level cities of Huai'an to the southeast, Chuzhou (Anhui) to the south, Bengbu (Anhui) to the west, and Suzhou (Anhui) to the northwest.

The area that later became Sihong County probably served as center for the state of Xu during Spring and Autumn period, and harbored its capital city.

[3] At present, Sihong County has 14 towns and 9 townships.

This Jiangsu location article is a stub.