Ramón Maximiliano Valdés Arce (13 October 1867 in Penonomé, Coclé – 3 June 1918 in Panama City) was President of Panama from October 1, 1916 to June 3, 1918.
Valdés Cobián was born in Bayamon, Puerto Rico to Ramon and Encarnación Cobián. When he was a child his family moved to the United States and lived in Manhattan.