Akodon spegazzinii is found in northwestern Argentina, in the provinces of Salta, Catamarca, Tucumán, La Rioja, and Mendoza, at altitudes of . Although its main distribution is in the northern provinces of Salta, Tucumán, and Catamarca, there are also scattered records from the more southern provinces of La Rioja and Mendoza, where it is likely restricted to patches of wet habitat. "Akodon alterus" has been reported from Jujuy, but this record was likely based on misidentified specimens of "A. boliviensis", and records of "Akodon spegazzinii" from Jujuy were based on misidentified "A. sylvanus". "Akodon spegazzinii" is known from a paleontological site in
César Mendoza César Mendoza General César Leonidas Mendoza Durán (September 11, 1918 – September 13, 1996) was a member of the Government Junta which ruled Chile from 1973 to 1990, representing the country-wide police force, the "Carabineros de Chile". Mendoza was born in Santiago, the youngest of the eleven children of Atilio Mendoza Valdebenito, a science teacher and first mayor of La Cisterna, and Amalia Durán, a pianist. In 1938, young César Mendoza began his compulsory military service. In 1940, he matriculated at the Carabineros' School, from which he was graduated as a second lieutenant the following year. Mendoza worked in different