This is a complete list of acts of the Parliament of the United Kingdom for the year 1857.
Note that the modern convention is to use Arabic numerals in citations (thus "41 Geo.
The fifth session of the 16th Parliament of the United Kingdom, which met from 3 February 1857 until 21 March 1857.
The first session of the 17th Parliament of the United Kingdom, which met from 30 April 1857 until 28 August 1857.
The second session of the 17th Parliament of the United Kingdom, which met from 3 December 1857 until 2 August 1858.