Liu Zhennian (Chinese: 刘珍年; pinyin: Líu Zhēnnián; 1898 in Nangong, Hebei, China – 13 May 1935) was a Chinese military commander during the Warlord Era and Nanjing decade in the history of the Republic of China.
Liu graduated from the Baoding Military Academy and served as a regimental and brigade commander under the warlords Li Jinglin, Chu Yupu, and Zhang Zongchang.
After the defeat of Zhang Zongchang, Liu switched sides and his forces were absorbed by the Kuomintang.
In autumn 1932, he was attacked and evicted from Shandong by its governor Han Fuju because Liu had refused to obey his orders.
After his defeat, Nanjing transferred him and his 21st Division south to Wenzhou, Zhejiang Province at the end of 1932.