Henriette Sophie Widerberg (3 September 1796 – 3 April 1872) was a Swedish opera singer (soprano) and memoirist. She was an elite member of the Royal Swedish Opera and its prima donna for over twenty years. She was appointed Hovsångare in 1837. She was the first woman in Sweden to publish her own memoirs during her own lifetime. Her bool En Skådespelerskas Minnen: Sjelfbiografi (Memories of an Actress: an Autobiography) was published in two parts in 1850–51, and republished in 1924.