The Nina B. Affair (French: L'affaire Nina B., German: Affäre Nina B) is a 1961 French-West German drama film directed by Robert Siodmak and starring Nadja Tiller, Pierre Brasseur and Walter Giller. The film's sets were designed by the art director Jean d'Eaubonne. It was shot at the Billancourt Studios in Paris and Bavaria Studios in Munich.