Carlos Diego Gibson (10 February 1889 – 25 September 1954) was a Peruvian lawyer, professor and politician.

He studied at the Colegio Victor Bailly and, later, he entered the National University of San Agustín in Arequipa, from where he obtained a law degree in 1908.

He later became professor of statistics, finance, and financial legislation of Peru at the National University of San Marcos in Lima.

In 1919, he was appointed first secretary, then an adviser, and finally a charge d'affaires at the embassy in the United States.

He was also a member of the British Institute of Philosophy, and represented Peru in different organizations, among them the International Conference on Labor and Social Security, in Geneva; at the Philosophical Congress, in Prague, and at the Congress of International Documentation, Paris are notable ones.