The San Fernando massacre may refer to:
The 1868 San Fernando massacre, in Paraguay on 21 December 1868, on the eve of the Battle of Lomas Valentinas The 2010 San Fernando massacre, at the village of El Huizachal, San Fernando, Tamaulipas, Mexico, where 72 murdered people were found on 24 August 2010 The 2011 San Fernando massacre, at the ranch of La Joya, San Fernando, Tamaulipas, Mexico, where 193 people were murdered between 24 and 29 March 2011