Captain Bay-Bay (German: Käpt'n Bay-Bay) is a 1953 West German musical comedy film directed by Helmut Käutner and starring Hans Albers, Bum Krüger and Lotte Koch. It is in the style of an operetta film. It was shot at the Wiesbaden Studios and on location in Hamburg as well as Ischia and Naples in Italy. The film's sets were designed by the art directors Paul Markwitz and Fritz Maurischat.