Juan Isidro Jimenes Pereyra (November 15, 1846 – May 9, 1919) was a Dominican Republic political figure. He served as the president of the Dominican Republic between 15 November 1899 and 2 May 1902, and again between 5 December 1914 and 7 May 1916.
Jimenes was one of the main leaders of the Los Bolos, Blue party or Jimenistas, opposed to the Los Coludos or Horacistas, led by Horacio Vásquez.