Martina von Schwerin, née Martina Törngren (3 January 1789 in Gothenburg – 18 November 1875 in Gothenburg), was a Swedish Lady of letters, salonist and culture personality.
Martina von Schwerin was renowned in contemporary Sweden for her intellectual gifts and was referred to as "The Swedish Madame de Stael".
Martina von Schwerin was the daughter of the director of the Swedish East India Company, Martin Törngren and Eva Lovisa Svartlock, and married in 1805 to the courtier Baron Verner Gottlob von Schwerin.
She socialized in intellectual circles and met Germaine de Stael in 1813.
After the death of her spouse in 1840, she withdrew from social life and settled outside of Gothenburg - she also made several travels.