Hedwig (Vicki) Baum (January 24, 1888 ? August 29, 1960) was an Austrian writer. She is known for Menschen im Hotel ("People at a Hotel", 1929), one of her first international successes.

Baum began writing in her teens. Her first book, Fr?he Schatten, was published when she was 31. She is most famous for her 1929 novel Menschen im Hotel which was made into an Academy Award winning film, Grand Hotel. She emigrated to the United States with her family after being invited to write the screenplay for the film. Her literary works were banned in the Third Reich. She became an American citizen in 1938. Her memoir, It Was All Quite Different, was published posthumously in 1964. She wrote more than 50 novels, and at least ten were adapted as motion pictures in Hollywood. Her post-World War II works were written in English, rather than in German.

The 1932 film adapation was directed by Edmund Goulding and starred Greta Garbo, John Barrymore, Joan Crawford,, Wallace Beery andLionel Barrymore.