Rosendo Chamorro Oreamuno was briefly President of Nicaragua in 1923. He received a doctorate from the University of Paris.
In 1923, he was Minister of the Interior of Nicaragua. When President Diego Manuel Chamorro died, Rosendo Chamorro was designated interim president until Vice-president Bartolomé Martínez returned to the capitol to be sworn in.
Rosendo was first cousin to Diego Manuel and an uncle of Emiliano Chamorro.