Royal Highness (German: Königliche Hoheit) is a 1909 novel by Thomas Mann.

First published in 1909 in Die neue Rundschau, the novel was met with great enthusiasm from the public.

In 1953, the novel was adapted into film by Hans Abich and Rolf Thiele under the same title, Königliche Hoheit.

Directed by Harald Braun, it was produced in the studios of Filmaufbau GmbH Göttingen in Agfacolor.

The main characters were portrayed by Dieter Borsche, Ruth Leuwerik and Lil Dagover.