Who Is This That I Love? (German: Wer bist du, den ich liebe?) is a 1950 West German musical comedy film directed by Géza von Bolváry and starring Jester Naefe, Adrian Hoven, and Iván Petrovich. It was shot at the Wiesbaden and Bavaria Studios and on location around Lake Starnberg. The film's sets were designed by the art directors Fritz Lück and Hans Sohnle.