Merril Sandoval (April 18, 1925 – February 9, 2008) was an American Navajo World War II veteran and a member of the Navajo Code Talkers, a group of United States Marines who transmitted important messages in their native Navajo language in order to stop the Japanese from intercepting sensitive material. Sandoval took part in every Marine landing in the Pacific Ocean theater of World War II from 1943 until 1945.