The Second Legislative Assembly of Uttar Pradesh (a.k.a.Second Vidhan Sabha of Uttar Pradesh) was constituted on 1 April 1957 as a result of 1957 Uttar Pradesh Legislative Assembly election which was concluded on 25 February 1957. The Second Legislative Assembly had 430 elected and 1 nominated MLAs. The assembly was in house for full term of five years before being dissolved on 6 Mar 1962.
Sampurnanand was the second Chief Minister of Uttar Pradesh. He succeeded Govind Ballabh Pant of his party and served as a Chief Minister from 1954 to 1960. In 1960, due to a political crisis initiated by Kamlapati Tripathi and Chandra Bhanu Gupta, Sampurnanand was asked to quit the post of Chief Minister and was sent to Rajasthan as the Governor. Following were the important members of the Second Legislative Assembly of Uttar Pradesh. Keshav Gupta was a freedom fighter from Muzaffarnagar and one of the founders of the Indian National Congress in Uttar Pradesh.
As of 10 Apr 1957, total 430 MLAs were elected from 341 constituencies of Uttar Pradesh.