Ammon Meshach Tenney (November 16, 1844 – October 28, 1925) was an American Mormon missionary and colonizer in Arizona, New Mexico and Mexico, who taught the message of the Church of Jesus Christ of Latter-day Saints (LDS Church) to peoples of the Zuni and the Isleta Pueblos, baptizing hundreds. He also was the first president of the Mexican Mission after it was reorganized in 1901.