Battle of West Suiyuan

Battle of West Suiyuan
	Part of the 1939–1940 Winter Offensive in the Second Sino-Japanese War
	; Chinese 35th Army
Date	January 1940 – February 1940
Location	Suiyuan, Republic of China
Result	Chinese victory
Belligerents
Republic of China	Empire of Japan Mengjiang;
Commanders and leaders
Ma Hongkui; Ma Hongbin	Shigenori Kuroda
Strength
28,763 Chinese Muslim and Han Chinese troops	In the thousands; Armoured cars; Tanks; Air support by fighter bombers;
Casualties and losses
Contemporary report:; 2,129 killed; 1,767 wounded; 1,895 missing; ; 1962 history:; 2,872 killed or wounded; 2,126 missing	Japanese Army claim:; 160 killed; 461 wounded; 534 afflicted with frostbite; (Japanese Army only)

The Battle of West Suiyuan (simplified Chinese: 绥西战役; traditional Chinese: 綏西戰役; pinyin: Suíxī zhànyì) was part of the Second Sino-Japanese War. It was fought from January – February 1940 during the Chinese 1939 Winter Offensive.

The Japanese fielded tanks, armoured cars, tear gas and fighter bombers while the Chinese warlord armies involved had no airforce or even equivalent armour.