The Bihar Legislative Assembly also known as the Bihar Vidhan Sabha is the lower house of the bicameral Bihar Legislature of the state of Bihar in India. The first state elections were held in 1952.

The Bihar Legislature is the supreme legislative body of the state of Bihar. It is a bicameral legislature composed of the Governor of Bihar and two houses, The Bihar Legislative Council and The Bihar Legislative Assembly. The governor in his role as head of the legislature has full powers to summon and prorogue either house of legislature or to dissolve the Legislative Assembly. The governor can exercise these powers only upon the advice of the Chief minister and his ministry.