Peter Carr (1884 – 18 October 1946) was a New Zealand politician of the Labour Party.

[1][2] Carr served in the New Zealand Expeditionary Force during World War I as a motorman, holding the rank of Lance Corporal.

[1][2] He represented the Auckland West electorate from a 1940 by-election after the previous holder, Labour prime minister Michael Joseph Savage, died in office.

[3] Carr fell ill during the 1946 session but remained in Parliament for his vote to be counted.

[4] On 5 October, shortly before the end of that year's session, he announced his intention to retire at the upcoming general election.