Diana Amft (born 7 November 1975) is a German film and television actress and children's writer.
She is best known for playing Gretchen Haase in the RTL sitcom Doctor's Diary.
She completed her vocational training as a legal administrator at the Rheda-Wiedenbrück district court.
She took singing lessons in Bielefeld and unsuccessfully applied to study at the Folkwang Hochschule in Essen.
She was accepted at the Schauspielschule Zerboni in Munich when she was twenty years old, and, following appearances in theatre, she was cast for her first roles on television in 1999.