Dracula, Prisoner of Frankenstein (Spanish: Drácula contra Frankenstein, lit. 'Dracula versus Frankenstein') is a 1972 horror film directed by Jesús Franco. The film stars Dennis Price as Dr. Rainer von Frankenstein who successfully captures Count Dracula portrayed by Howard Vernon. Along with the Doctor's monster (Fernando Bilbao) the doctor controls the vampire for his own evil ends. The film is a co-production between Portugal, Spain and Liechtenstein.

Dracula, Prisoner of Frankenstein premiered at the Sitges Film Festival in 1972. The film received a lukewarm review in La Vanguardia, which praised the cinematography while finding it interfered with the narrative of the film. It received more generally negative reviews from Variety, L'Écran fantastique and El Mundo Deportivo.