Jean-Baptiste Dortignacq
 Jean-Baptiste Dortignacq (25 April 1884 Arudy Pyrénées-Atlantiques – 13 May 1928 Peyrehorade Landes) was a French road bicycle racer between 1900 and 1910. Dortignacq won seven stages in four Tour de France events. He only competed in stage 4 of the first Tour de France in 1903 finishing 11th on the stage.