Count Martial Côme Annibal Perpétue Magloire de Guernon-Ranville (2 May 1787 – 30 November 1866) was a French magistrate and politician.

Martial Côme Annibal Perpétue Magloire de Guernon-Ranville came from the Guernon family, one of the oldest of the Norman nobility.

[2] On 18 November 1829 Guernon-Ranville was appointed Minister for Ecclesiastical Affairs and Public Instruction and Grand Master of the University in the Polignac cabinet.

His ordinance of 14 February 1830 showed his wish to improve the quality of primary education by giving credits to the communes, creating training schools for teachers and increasing their salaries.

[3] After the departure of the royal family, he went to Tours and was arrested at the gates of this city and taken to the Château de Vincennes on the night of August 25–26.

[3] Works by Guernon-Ranville include:[5] The detailed diary that he kept during his ministry is the most useful surviving guide to the way in which Charles X and his government were thinking in the months that led up to the revolution of 1830.