Luoshan County (simplified Chinese: 罗山; traditional Chinese: 羅山; pinyin: Luóshān; postal: Loshan) is a county in the southeast of Henan province, China, bordering Hubei province to the south.

In the third year of the reign of Emperor Xixi (986), it belonged to Xinyang Army.

In the 20th year of Yuanzhiyuan (1283), Xinyang Prefecture was reorganized in Luoshan County.

In the 16th year of the Republic of China (1927), it was abolished and directly under Henan Province.

In the 21st year of the Republic of China (1932), it was assigned to the ninth (Huangchuan) administrative inspectorate of Henan Province.

In the 22nd year of the Republic of China (1933), it was analyzed in the southern part of the county.

In March 1949, the Chinese People's Liberation Army occupied Luoshan, belonging to the Huangchuan area.