Paul Henri Ernest de Royer (29 October 1808 – 13 December 1877) was a French lawyer, magistrate and politician.

[1] His father was Joseph Etienne Royer-Dupré, in 1801 Directeur des contributions directes de Grenoble.

[3] Ernest de Royer joined the bench at the start of the reign of King Louis-Philippe on 9 May 1832 as a substitute at the tribunal of Die, and served in the same position in turn at Sainte-Menehould (1833), Châlons-sur-Marne (1834), Reims (1835) and Paris (1841).

[1] Ernest de Royer left office on 4 May 1859 and was appointed to the Senate the next day, with the title of first vice-president.

[1] His son Clément de Royer was one of the leaders of the Bonapartist movement in the French Third Republic.