Mathilda Wilhelmina Rotkirch (28 July 1813 – 6 March 1842) was a Finnish painter.

She took a study trip in 1840–1841 along with artist Sophie Aminoff (1808–1862) and her husband Carl Reuterskiöld, on a journey through Europe.

They visited Lübeck, Hamburg, Kassel, Strasbourg, Bern, Geneva, Milan and Paris, where she studied with the Swedish painter and designer Per Wickenberg (1812–1846).

[2][3] She died of a lung ailment in Turku during 1842 at the age of 28.

She was buried in the family graveyard at Näsebacken next to Porvoo.