Aloys I was the Prince of Liechtenstein from 18 August 1781 until his death in 1805. He was born in Vienna, the third son of Franz Josef I, Prince of Liechtenstein.
Karoline Felicitas Engelberte of Manderscheid-Blankenheim was a princess consort of Liechtenstein; married on 16 November 1783 to Prince Aloys I of Liechtenstein.