Maria Antonia "Marie Antoinette" Petersén née Crux, (1771–1855), was a Swedish musician (violinist) and singer.
Marie Antoinette Petersén was born in Germany, possibly in Mannheim.
In 1795, she married the Swedish miniaturist Jacob Axel Gillberg and moved with him to Gothenburg.
In 1802, she divorced Gillberg and remarried Johan Andreas Petersén, the son of a rich merchant in Gothenburg.
Marie Antoinette Petersén was elected member of the Swedish Royal Academy of Music in 1801.