The 1947 Westland by-election was a by-election held during the 28th New Zealand Parliament in the South Island electorate of . The by-election occurred following the death of MP James O'Brien and was won by Jim Kent.
James O'Brien, who was first elected to represent for the Labour Party in and had been Westland's MP continuously since , died on 28 September 1947. This triggered the Westland by-election, which occurred on 3 December 1947.
Labour<br /> There were six nominations for the Labour Party candidacy:
The former Speaker of the House of Representatives and Auckland East MP Bill Schramm, who was defeated in 1946 and was originally from Hokitika, was also speculated as a possible candidate but later dismissed. Ware was selected as the candidate on 24 October. Five days later Ware was taken ill suddenly, the same day he was to have opened his campaign at a meeting in Ngahere. After receiving advice from his doctor he withdrew his candidacy. After Ware's withdrawal Kent was selected as the candidate on 31 October.
National<br /> Several names were put forward for the National Party candidacy:
Two previous National candidates from past elections, Ted Taylor and Frank Chivers, were also considered. Both declined nomination, as did Patrick Joseph O'Regan, a farmer from Inangahua Junction, owing to health reasons. Lockington was selected by a meeting of delegates and members of the Westland electoral committee at Greymouth on 28 October.
Others<br /> After being unsuccessful in attaining the official Labour nomination, there was speculation that Wallace would stand as an Independent Labour candidate. This did not eventuate however.
The following table gives the election results:
Kent obtained 57.9% of the votes and was successful.