Prince Aloys of Liechtenstein (Aloys Gonzaga Maria Adolf; 17 June 1869 in Hollenegg – 16 March 1955 in Vaduz) was the son of Prince Alfred of Liechtenstein (1842–1907) and Princess Henriette of Liechtenstein (1843–1931), daughter of Alois II of Liechtenstein.
The maternal nephew and first cousin of Franz I of Liechtenstein, Prince Aloys renounced his rights to the succession on 26 February 1923, in favor of his son Franz Joseph II.He was the 1,177th Knight of the Order of the Golden Fleece in Austria.