Johannes "Hans" Adam II Ferdinand Aloys Josef Maria Marko d'Aviano Pius, Sovereign Prince of Liechtenstein (born February 14, 1945), is the son of Franz Josef II of Liechtenstein (1906-1989) and his wife Gina von Wilczek (1921-1989).

As Prince of Liechtenstein he had sweepingly broad powers; a referendum to adopt his revision of the constitution to expand his powers passed in 2003: he had threatened to move to Austria if the referendum had failed.

Hans-Adam owns LGT banking group and has a personal fortune of more than £2 billion.

On July 30, 1967 at Vaduz, Liechtenstein he married his cousin Marie Aglaë, Countess Kinsky von Wchinitz und Tettau (born 1940).

Their children are:

  • Hereditary Prince Alois (born 1968)
  • Maximilian Nikolaus Maria (born 1969)
  • Constantin Ferdinand Maria (born 1972)
  • Tatjana Nora Maria (born 1973)

Preceded by:
Franz Josef II
List of Princes of Liechtenstein Succeeded by:
(currently reigning)