A Foreign Affair
- Blwyddyn: 1948
- Gwlad: United States of America
- Genre: Romance, Comedy, Drama
- Stiwdio: Paramount Pictures
- Allweddair: berlin, germany, nazi, black market, moral ambiguity, politician, man between two women, post war germany, singer, post world war ii, ex-nazi, military, foreign occupation, nightclub performer, committee, city ruin, morals, romantic triangle, secret investigation, blonde bombshell, moral policing, congresswoman, american officer, bombed building, american occupation, post-war, conservative values
- Cyfarwyddwr: Billy Wilder
- Cast: Jean Arthur, Marlene Dietrich, John Lund, Millard Mitchell, Peter von Zerneck, Stanley Prager