Margareta Sofia Lagerqvist (1771 – 6 June 1800, in Norrköping) was a noted Swedish opera singer and stage actress. She was employed as an opera singer at the Royal Swedish Opera, and as an actor at the Royal Dramatic Theatre, in 1788–99, and additionally as both an actor and a singer at the Stenborg Theatre in Stockholm in 1784–99. Her father worked as a caretaker. She debuted at the Eriksberg Theatre in Stockholm in January 1784. The same year, she became a student at the Royal Opera, but she was not contracted there until 1788. She was the student of Carl Stenborg.