Princess Amélie Louise Julie of Arenberg, (full German name: Amalie Luise Julie, Prinzessin und Herzogin von Arenberg and full French name: Amélie Louise, princesse et duchesse d'Arenberg, (born 10 April 1789 in Brussels, Austrian Netherlands; died 4 April 1823 in Bamberg, Kingdom of Bavaria) was a member of the House of Arenberg by birth and, through her marriage to Duke Pius August in Bavaria, a member of the Palatinate-Birkenfeld-Gelnhausen line of the House of Wittelsbach.

Amélie Louise was a grandmother of Empress Elisabeth of Austria through her son Duke Maximilian Joseph in Bavaria.

[1] Amélie paternal grandparents were Charles Marie Raymond, 5th Duke of Arenberg and his wife, Countess Louise Margarethe von der Marck-Schleiden (1730-1820).

The notorious Mailly-Nesle sisters, Pauline Félicité, Louise Julie and Diane Adélaïde, mistresses of King Louis XV were among her mother's cousins.

In 1817, Amélie Louise sent her only son to reside with his great uncle Maximilian I Joseph of Bavaria, where he studied at the Royal Institute of Education.