The Vaimauga West by-election was a by-election in the Samoan constituency of Vaimauga West.
It took place on 6 May 2007, and was precipitated by the death of MP Sililoto Tolo Tuaifaiva.
[1] Ten candidates contested the election, eight of them on behalf of the ruling Human Rights Protection Party.
[1] The election was won by Patu Ativalu.
While previously a member of the Samoa Democratic United Party, Ativalu announced his intention to join the HRRP if elected, after a request from his village.