Maria Adeline Alice Schweistal or Fanny Psicha (1864-1950) was a Belgium born Dutch artist.

[1] Schweistal was born on 9 April 1864 in Brussels, Belgium, settling in Amsterdam in 1886.

She attended the Rijksakademie van beeldende kunsten in Amsterdam.

[2] Her work was included in the 1939 exhibition and sale Onze Kunst van Heden (Our Art of Today) at the Rijksmuseum in Amsterdam.

[3] Schweistal was a member of Arti et Amicitiae and Kunstenaarsvereniging Sint Lucas [nl].