The 1874 Haverfordwest by-election was fought on 12 June 1874. The by-election was fought due to the voiding of the election of the incumbent Liberal MP, The Lord Kensington. It was retained by the incumbent who ran unopposed.
^Craig, F. W. S., ed. (1977). British Parliamentary Election Results 1832-1885 (hardcover) (1st ed.). London: Macmillan Press. p. 506. ISBN978-1-349-02349-3.