Aloys II, Prince of Liechtenstein, born Aloys Maria Josef Johann Baptista Joachim Philipp Nerius (25/26 May 1796 – 12 November 1858), was the sovereign Prince of Liechtenstein between 1836 and 1858.
He was a son of Johann I Joseph, Prince of Liechtenstein (1802–1836) and Landgravine Josepha of Fürstenberg-Weitra, nephew of Aloys I and father of Johann II and Franz I.
Alois contributed actively to Liechtenstein's economic and political development.