Romuald Charles Eugène Gaudens Jean Sylve Joubé (20 June 1876 – 14 September 1949) was a French stage and film actor whose career on the stage and in films lasted approximately thirty years.

Born in Mazères, Ariège, Romuald Joubé began his stage career at the Odéon theatre under the direction of André Antoine.

In total, Joubé appeared in over forty films during a period of more than thirty years.

He appeared as the character Jean Diaz in both the 1919 Abel Gance-directed silent film drama J'accuse!

[2] Romuald Joubé died in 1949 at the age of 73 in Gisors, Eure, France.