The Heathcote by-election of 1872 was a by-election for the electorate of Heathcote during the 5th New Zealand Parliament, and resulted when the previous incumbent John Hall resigned.
There was no vote as John Cracroft Wilson was the only candidate, and he was declared elected when the writs closed for candidates on 30 July. Wilson had previously been in Parliament for the seat of Coleridge, but had retired in 1870 due to an ‘unfortunate accident’