John Mowat

John Mowat may refer to:


 * John Mowat (college administrator) (1791–1860), Scottish-born politician and college administrator in Ontario, Canada
 * John Mowat (Dean of Brechin), Dean of Brechin, 1947–1953
 * John Bower Mowat (1825–1900), Presbyterian minister and university professor in Ontario, Canada
 * John McDonald Mowat (1872–1916), lawyer and politician in Ontario, Canada
 * John Stuart Mowat (1923–2001), Scottish QC and Liberal politician