The Lyttelton by-election of 1913 was a by-election during the 18th New Zealand Parliament. As no candidate won an absolute majority on the first ballot on 9 December, a second round was held on 16 December.[1] The seat had become vacant due to the death of sitting MP George Laurenson. Five candidates stood. It was the last by-election in New Zealand to use the Two-round voting system to elect a member.