Mahn Win Khaing Than was born on 23 April 1952 in Hinthada Township, Ayeyarwady Division.

Mahn Ba Khaing served as Minister for Industry and Minister for Labor in the pre-independence cabinet of the AFPFL government; and was assassinated alongside Aung San, the father of Aung San Suu Kyi, on 19 July 1947 in the Secretariat, Yangon.

[1][2] Mahn Win Khaing Than graduated from the Rangoon Arts and Science University with a law degree in 1975.

[4][1][5][6] Following the 2021 Myanmar coup d'état on 1 February, Mahn Win Khaing Than went into hiding with fellow senior National League for Democracy officials who also escaped arrest.

[7] On 9 March 2021,[8] Mahn Win Khaing Than was named Acting Vice-President of Myanmar by the Committee Representing Pyidaungsu Hluttaw, a government in exile[9][10][11] composed of ousted National League for Democracy lawmakers who won seats in the 2020 elections.