The 1937 Farnham by-election was held on 23 March 1937. The by-election was held due to the elevation to the peerage of the incumbent Conservative MP, Arthur Samuel. It was won by the Conservative candidate Godfrey Nicholson. Peter Pain, a recently qualified barrister, contested the election for the Labour Party. Earlier in the decade, he had visited a Hitler Youth camp, and this experience convinced him that a war was inevitable, and that he should oppose Nazism by becoming a socialist. The election was won by the Conservative candidate Godfrey Nicholson.