Who is the Japanese voice actor for Louis XV?

The Japanese voice actor for Louis XV is Tetsu Inada.

Which anime is Louis XV from?

Louis XV appears in Le Chevalier D'Eon.

In Le Chevalier D'Eon, Louis XV is listed as a supporting character.

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King of France, husband of Queen Marie. He is loosely based on King Louis XV. (Source: Wikipedia)

Le Chevalier D'Eon

Le Chevalier D'Eon

Le Chevalier D'Eon

Tetsu Inada

Japanese

Jay Hickman

English

Michael Pizzuto

English

Daniel Picard

French

Helmut Gauß

German

Gabriele Calindri

Italian