John Lauder (c. 1488 – between 1551 and 1556) was Scotland's Public Accuser of Heretics. John Lauder may also refer to: John Lauder, Lord Fountainhall (1646–1722), Scottish jurist Sir John Lauder, 3rd Baronet (1669–1728) Sir John Lauder, 1st Baronet (1595–1692) John Lauder (surgeon) (1683–1737), Scottish surgeon John D. Lauder (1855–1934), Canadian politician John Lauder (priest) (1829–1900), Dean of Ottawa See also John Dick-Lauder (disambiguation)