There have been 16 monarchs of the Principality of Liechtenstein since 1608.
The current Prince of Liechtenstein is Hans-Adam II, since 13 November 1989.
[1] The current Hereditary Prince and Regent of Liechtenstein is Alois, since 15 August 2004.
[2] The names in bold signify official reigning monarchs of Liechtenstein.