Brigadier Rai Singh Yadav, MVC (17 March 1925 – 23 March 2017) was an officer in the Indian Army notable for his participation in the Nathu La and Cho La clashes 1967.

He displayed exemplary courage and leadership during the clashes, for which he was awarded the Maha Vir Chakra, India's second highest military decoration.

His father was Rai Sahib Ganpat Singh who had served in the British Indian Army in 1920s.

Rai Singh passed his Senior Cambridge from King George Military School, Jullundur.

In order to hold on to the Nathu La pass and defeat the Chinese attempted incursions, Lt Col Rai Singh led his men from the front and displayed conspicuous bravery and exceptional leadership in the face of the enemy.